diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7a0ff7499..0145a9a6d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ unreleased
 --------------------
 ### ✨Improvements
 * リンクにホバーするとURLプレビューを表示するように
+* ユーザーページからグループに招待できるように
 
 ### 🐛Fixes
 * 要素の幅を判定する処理が上手くいかないことがある問題を修正
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 35ca4143f..d665f756c 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -377,6 +377,7 @@ enable: "有効にする"
 next: "次"
 retype: "再入力"
 noteOf: "{user}のノート"
+inviteToGroup: "グループに招待"
 
 _tutorial:
   title: "Misskeyの使い方"
diff --git a/src/client/components/user-menu.vue b/src/client/components/user-menu.vue
index 6e3280031..b0139380e 100644
--- a/src/client/components/user-menu.vue
+++ b/src/client/components/user-menu.vue
@@ -4,7 +4,7 @@
 
 <script lang="ts">
 import Vue from 'vue';
-import { faAt, faListUl, faEye, faEyeSlash, faBan, faPencilAlt, faComments } from '@fortawesome/free-solid-svg-icons';
+import { faAt, faListUl, faEye, faEyeSlash, faBan, faPencilAlt, faComments, faUsers } from '@fortawesome/free-solid-svg-icons';
 import { faSnowflake, faEnvelope } from '@fortawesome/free-regular-svg-icons';
 import i18n from '../i18n';
 import XMenu from './menu.vue';
@@ -43,7 +43,11 @@ export default Vue.extend({
 			icon: faListUl,
 			text: this.$t('addToList'),
 			action: this.pushList
-		}] as any;
+		}, this.$store.state.i.id != this.user.id ? {
+			icon: faUsers,
+			text: this.$t('inviteToGroup'),
+			action: this.inviteGroup
+		} : undefined] as any;
 
 		if (this.$store.getters.isSignedIn && this.$store.state.i.id != this.user.id) {
 			menu = menu.concat([null, {
@@ -118,6 +122,42 @@ export default Vue.extend({
 			});
 		},
 
+		async inviteGroup() {
+			const groups = await this.$root.api('users/groups/owned');
+			if (groups.length === 0) {
+				this.$root.dialog({
+					type: 'error',
+					text: this.$t('youHaveNoGroups')
+				});
+				return;
+			}
+			const { canceled, result: groupId } = await this.$root.dialog({
+				type: null,
+				title: this.$t('group'),
+				select: {
+					items: groups.map(group => ({
+						value: group.id, text: group.name
+					}))
+				},
+				showCancelButton: true
+			});
+			if (canceled) return;
+			this.$root.api('users/groups/invite', {
+				groupId: groupId,
+				userId: this.user.id
+			}).then(() => {
+				this.$root.dialog({
+					type: 'success',
+					iconOnly: true, autoClose: true
+				});
+			}).catch(e => {
+				this.$root.dialog({
+					type: 'error',
+					text: e
+				});
+			});
+		},
+
 		async toggleMute() {
 			this.$root.api(this.user.isMuted ? 'mute/delete' : 'mute/create', {
 				userId: this.user.id