diff --git a/src/api/user.js b/src/api/user.js
index 24a2a1e7..eef88830 100644
--- a/src/api/user.js
+++ b/src/api/user.js
@@ -168,6 +168,44 @@ const userReq = {
             };
             return args;
         });
+    },
+
+    getMutualCounts(params) {
+        return request(`users/${params.userId}/mutuals`, {
+            method: 'GET'
+        }).then((json) => {
+            const args = {
+                json,
+                params
+            };
+            return args;
+        });
+    },
+
+    getMutualFriends(params) {
+        return request(`users/${params.userId}/mutuals/friends`, {
+            method: 'GET',
+            params
+        }).then((json) => {
+            const args = {
+                json,
+                params
+            };
+            return args;
+        });
+    },
+
+    getMutualGroups(params) {
+        return request(`users/${params.userId}/mutuals/groups`, {
+            method: 'GET',
+            params
+        }).then((json) => {
+            const args = {
+                json,
+                params
+            };
+            return args;
+        });
     }
 };
 
diff --git a/src/app.scss b/src/app.scss
index cc6ac23b..1a1a20ff 100644
--- a/src/app.scss
+++ b/src/app.scss
@@ -707,9 +707,9 @@ i.x-status-icon.red {
     border-color: rgb(255, 208, 0) !important;
 }
 
-.x-tag-vrcplus {
-    color: rgb(255, 208, 0);
-    border-color: rgb(255, 208, 0) !important;
+.x-tag-mutual-friend {
+    color: #67c23a;
+    border-color: #67c23a !important;
 }
 
 .x-tag-platform-pc {
diff --git a/src/components/dialogs/UserDialog/UserDialog.vue b/src/components/dialogs/UserDialog/UserDialog.vue
index 46da08f3..dfb31a3f 100644
--- a/src/components/dialogs/UserDialog/UserDialog.vue
+++ b/src/components/dialogs/UserDialog/UserDialog.vue
@@ -514,6 +514,73 @@
                     </div>
                 </el-tab-pane>
 
+                <el-tab-pane
+                    name="Mutual Friends"
+                    v-if="userDialog.isFriend"
+                    :label="t('dialog.user.mutual_friends.header')"
+                    lazy>
+                    <div style="display: flex; align-items: center; justify-content: space-between">
+                        <div style="display: flex; align-items: center">
+                            <el-button
+                                type="default"
+                                :loading="userDialog.isMutualFriendsLoading"
+                                size="small"
+                                :icon="Refresh"
+                                circle
+                                @click="getUserMutualFriends(userDialog.id)">
+                            </el-button>
+                            <span style="margin-left: 5px">{{
+                                t('dialog.user.groups.total_count', { count: userDialog.mutualFriends.length })
+                            }}</span>
+                        </div>
+                        <div style="display: flex; align-items: center">
+                            <span style="margin-right: 5px">{{ t('dialog.user.groups.sort_by') }}</span>
+                            <el-dropdown
+                                trigger="click"
+                                size="small"
+                                style="margin-right: 5px"
+                                :disabled="userDialog.isMutualFriendsLoading"
+                                @click.stop>
+                                <el-button size="small">
+                                    <span
+                                        >{{ t(userDialog.mutualFriendSorting.name) }}
+                                        <el-icon style="margin-left: 5px"><ArrowDown /></el-icon>
+                                    </span>
+                                </el-button>
+                                <template #dropdown>
+                                    <el-dropdown-menu>
+                                        <el-dropdown-item
+                                            v-for="(item, key) in userDialogMutualFriendSortingOptions"
+                                            :key="key"
+                                            @click="setUserDialogMutualFriendSorting(item)"
+                                            >{{ t(item.name) }}
+                                        </el-dropdown-item>
+                                    </el-dropdown-menu>
+                                </template>
+                            </el-dropdown>
+                        </div>
+                    </div>
+                    <ul
+                        class="x-friend-list"
+                        style="margin-top: 10px; overflow: auto; max-height: 250px; min-width: 130px">
+                        <li
+                            v-for="user in userDialog.mutualFriends"
+                            :key="user.id"
+                            class="x-friend-item x-friend-item-border"
+                            @click="showUserDialog(user.id)">
+                            <div class="avatar">
+                                <img :src="userImage(user)" loading="lazy" />
+                            </div>
+                            <div class="detail">
+                                <span
+                                    class="name"
+                                    :style="{ color: user.$userColour }"
+                                    v-text="user.displayName"></span>
+                            </div>
+                        </li>
+                    </ul>
+                </el-tab-pane>
+
                 <el-tab-pane name="Groups" :label="t('dialog.user.groups.header')" lazy>
                     <div style="display: flex; align-items: center; justify-content: space-between">
                         <div style="display: flex; align-items: center">
@@ -1253,6 +1320,9 @@
     import { useI18n } from 'vue-i18n';
 
     import {
+        compareByDisplayName,
+        compareByFriendOrder,
+        compareByLastActiveRef,
         compareByMemberCount,
         compareByName,
         copyToClipboard,
@@ -1298,9 +1368,9 @@
     } from '../../../api';
     import { getNextDialogIndex, redirectToToolsTab } from '../../../shared/utils/base/ui';
     import { processBulk, request } from '../../../service/request';
+    import { userDialogGroupSortingOptions, userDialogMutualFriendSortingOptions } from '../../../shared/constants';
     import { userDialogWorldOrderOptions, userDialogWorldSortingOptions } from '../../../shared/constants/';
     import { database } from '../../../service/database';
-    import { userDialogGroupSortingOptions } from '../../../shared/constants';
 
     import SendInviteDialog from '../InviteDialog/SendInviteDialog.vue';
     import UserSummaryHeader from './UserSummaryHeader.vue';
@@ -1376,6 +1446,7 @@
     const userDialogGroupEditSelectedGroupIds = ref([]); // selected groups in edit mode
 
     const userDialogLastActiveTab = ref('Info');
+    const userDialogLastMutualFriends = ref('');
     const userDialogLastGroup = ref('');
     const userDialogLastAvatar = ref('');
     const userDialogLastWorld = ref('');
@@ -1499,6 +1570,15 @@
             if (vrchatCredit.value === null) {
                 getVRChatCredits();
             }
+        } else if (tabName === 'Mutual Friends') {
+            if (userId === currentUser.value.id) {
+                userDialogLastActiveTab.value = 'Info';
+                return;
+            }
+            if (userDialogLastMutualFriends.value !== userId) {
+                userDialogLastMutualFriends.value = userId;
+                getUserMutualFriends(userId);
+            }
         } else if (tabName === 'Groups') {
             if (userDialogLastGroup.value !== userId) {
                 userDialogLastGroup.value = userId;
@@ -2083,6 +2163,38 @@
         userDialog.value.isGroupsLoading = false;
     }
 
+    async function getUserMutualFriends(userId) {
+        userDialog.value.isMutualFriendsLoading = true;
+        userDialog.value.mutualFriends = [];
+        const params = {
+            userId,
+            n: 100,
+            offset: 0
+        };
+        processBulk({
+            fn: userRequest.getMutualFriends,
+            N: -1,
+            params,
+            handle: (args) => {
+                for (const json of args.json) {
+                    if (userDialog.value.mutualFriends.some((u) => u.id === json.id)) {
+                        continue;
+                    }
+                    const ref = cachedUsers.get(json.id);
+                    if (typeof ref !== 'undefined') {
+                        userDialog.value.mutualFriends.push(ref);
+                    } else {
+                        userDialog.value.mutualFriends.push(json);
+                    }
+                }
+                setUserDialogMutualFriendSorting(userDialog.value.mutualFriendSorting);
+            },
+            done: () => {
+                userDialog.value.isMutualFriendsLoading = false;
+            }
+        });
+    }
+
     function sortGroupsByInGame(a, b) {
         const aIndex = inGameGroupOrder.value.indexOf(a?.id);
         const bIndex = inGameGroupOrder.value.indexOf(b?.id);
@@ -2347,6 +2459,22 @@
         await sortCurrentUserGroups();
     }
 
+    async function setUserDialogMutualFriendSorting(sortOrder) {
+        const D = userDialog.value;
+        D.mutualFriendSorting = sortOrder;
+        switch (sortOrder.value) {
+            case 'alphabetical':
+                D.mutualFriends.sort(compareByDisplayName);
+                break;
+            case 'lastActive':
+                D.mutualFriends.sort(compareByLastActiveRef);
+                break;
+            case 'friendOrder':
+                D.mutualFriends.sort(compareByFriendOrder);
+                break;
+        }
+    }
+
     async function exitEditModeCurrentUserGroups() {
         userDialogGroupEditMode.value = false;
         userDialogGroupEditGroups.value = [];
diff --git a/src/components/dialogs/UserDialog/UserSummaryHeader.vue b/src/components/dialogs/UserDialog/UserSummaryHeader.vue
index 8976cd0c..0318485a 100644
--- a/src/components/dialogs/UserDialog/UserSummaryHeader.vue
+++ b/src/components/dialogs/UserDialog/UserSummaryHeader.vue
@@ -116,6 +116,20 @@
                             {{ userDialog.ref.$friendNumber ? userDialog.ref.$friendNumber : '' }}
                         </el-tag>
                     </el-tooltip>
+                    <el-tooltip
+                        v-if="userDialog.mutualFriendCount"
+                        placement="top"
+                        :content="t('dialog.user.tags.mutual_friends')">
+                        <el-tag
+                            type="info"
+                            effect="plain"
+                            size="small"
+                            class="x-tag-mutual-friend"
+                            style="margin-right: 5px; margin-top: 5px">
+                            <i class="ri-group-line"></i>
+                            {{ userDialog.mutualFriendCount }}
+                        </el-tag>
+                    </el-tooltip>
                     <el-tag
                         v-if="userDialog.ref.$isTroll"
                         type="info"
diff --git a/src/localization/en/en.json b/src/localization/en/en.json
index 586dedda..21737efa 100644
--- a/src/localization/en/en.json
+++ b/src/localization/en/en.json
@@ -791,7 +791,8 @@
                 "vrchat_team": "VRChat Team",
                 "18_plus_verified": "18+ Verified",
                 "age_verified": "Age Verified",
-                "trust_level": "Trust Level"
+                "trust_level": "Trust Level",
+                "mutual_friends": "Mutual Friends"
             },
             "badges": {
                 "assigned": "Assigned",
@@ -937,6 +938,14 @@
             },
             "json": {
                 "header": "JSON"
+            },
+            "mutual_friends": {
+                "header": "Mutual Friends",
+                "sorting": {
+                    "alphabetical": "Alphabetical",
+                    "last_active": "Last Active",
+                    "friend_order": "Friend Order"
+                }
             }
         },
         "world": {
diff --git a/src/shared/constants/user.js b/src/shared/constants/user.js
index 7b3ffb9f..96ff25dd 100644
--- a/src/shared/constants/user.js
+++ b/src/shared/constants/user.js
@@ -47,8 +47,24 @@ const userDialogGroupSortingOptions = {
     }
 };
 
+const userDialogMutualFriendSortingOptions = {
+    alphabetical: {
+        name: 'dialog.user.mutual_friends.sorting.alphabetical',
+        value: 'alphabetical'
+    },
+    lastActive: {
+        name: 'dialog.user.mutual_friends.sorting.last_active',
+        value: 'lastActive'
+    },
+    friendOrder: {
+        name: 'dialog.user.mutual_friends.sorting.friend_order',
+        value: 'friendOrder'
+    }
+};
+
 export {
     userDialogWorldSortingOptions,
     userDialogWorldOrderOptions,
-    userDialogGroupSortingOptions
+    userDialogGroupSortingOptions,
+    userDialogMutualFriendSortingOptions
 };
diff --git a/src/shared/utils/compare.js b/src/shared/utils/compare.js
index d4621a07..1fdc7f5f 100644
--- a/src/shared/utils/compare.js
+++ b/src/shared/utils/compare.js
@@ -170,7 +170,7 @@ function compareByLastActive(a, b) {
             b.ref?.$online_for &&
             a.ref.$online_for === b.ref.$online_for
         ) {
-            compareByActivityField(a, b, 'last_login');
+            return compareByActivityField(a, b, 'last_login');
         }
         return compareByActivityField(a, b, '$online_for');
     }
@@ -178,6 +178,16 @@ function compareByLastActive(a, b) {
     return compareByActivityField(a, b, 'last_activity');
 }
 
+function compareByLastActiveRef(a, b) {
+    if (a.state === 'online' && b.state === 'online') {
+        if (a.$online_for && b.$online_for && a.$online_for === b.$online_for) {
+            return a.last_login < b.last_login ? 1 : -1;
+        }
+        return a.$online_for < b.$online_for ? 1 : -1;
+    }
+    return a.last_activity < b.last_activity ? 1 : -1;
+}
+
 /**
  * last seen
  * @param {object} a
@@ -259,6 +269,19 @@ function compareByLocation(a, b) {
     return a.ref.location.localeCompare(b.ref.location);
 }
 
+/**
+ * $friendNumber friend order
+ * @param {object} a
+ * @param {object} b
+ * @returns
+ */
+function compareByFriendOrder(a, b) {
+    if (typeof a === 'undefined' || typeof b === 'undefined') {
+        return 0;
+    }
+    return b.$friendNumber - a.$friendNumber;
+}
+
 export {
     compareByName,
     compareByCreatedAt,
@@ -270,7 +293,9 @@ export {
     compareByPrivate,
     compareByStatus,
     compareByLastActive,
+    compareByLastActiveRef,
     compareByLastSeen,
     compareByLocationAt,
-    compareByLocation
+    compareByLocation,
+    compareByFriendOrder
 };
diff --git a/src/stores/user.js b/src/stores/user.js
index dd24c5b1..4c9f338d 100644
--- a/src/stores/user.js
+++ b/src/stores/user.js
@@ -222,6 +222,10 @@ export const useUserStore = defineStore('User', () => {
             name: 'dialog.user.groups.sorting.alphabetical',
             value: 'alphabetical'
         },
+        mutualFriendSorting: {
+            name: 'dialog.user.mutual_friends.sorting.alphabetical',
+            value: 'alphabetical'
+        },
         avatarSorting: 'update',
         avatarReleaseStatus: 'all',
         treeData: [],
@@ -257,7 +261,11 @@ export const useUserStore = defineStore('User', () => {
         previousDisplayNames: [],
         dateFriended: '',
         unFriended: false,
-        dateFriendedInfo: []
+        dateFriendedInfo: [],
+        mutualFriendCount: 0,
+        mutualGroupCount: 0,
+        mutualFriends: [],
+        isMutualFriendsLoading: false
     });
 
     const currentTravelers = reactive(new Map());
@@ -813,6 +821,8 @@ export const useUserStore = defineStore('User', () => {
         D.dateFriended = '';
         D.unFriended = false;
         D.dateFriendedInfo = [];
+        D.mutualFriendCount = 0;
+        D.mutualGroupCount = 0;
         if (userId === currentUser.value.id) {
             getWorldName(currentUser.value.homeLocation).then((worldName) => {
                 D.$homeLocationName = worldName;
@@ -951,6 +961,18 @@ export const useUserStore = defineStore('User', () => {
                                     D.isShowAvatar = true;
                                 }
                             });
+                            if (D.isFriend) {
+                                userRequest
+                                    .getMutualCounts({ userId })
+                                    .then((args) => {
+                                        if (args.params.userId === D.id) {
+                                            D.mutualFriendCount =
+                                                args.json.friends;
+                                            D.mutualGroupCount =
+                                                args.json.groups;
+                                        }
+                                    });
+                            }
                         } else {
                             D.previousDisplayNames =
                                 currentUser.value.pastDisplayNames;