diff --git a/src/SlashCommands.tsx b/src/SlashCommands.tsx
index 72233e6d922..e06f372f6cf 100644
--- a/src/SlashCommands.tsx
+++ b/src/SlashCommands.tsx
@@ -799,9 +799,9 @@ export const Commands = [
             if (args) {
                 const cli = MatrixClientPeg.get();
 
-                const matches = args.match(/^(@[^:]+:\S+)$/);
-                if (matches) {
-                    const userId = matches[1];
+                const userMatches = args.match(/^(@[^:]+:\S+)$/);
+                if (userMatches) {
+                    const userId = userMatches[1];
                     const ignoredUsers = cli.getIgnoredUsers();
                     ignoredUsers.push(userId); // de-duped internally in the js-sdk
                     return success(
@@ -850,6 +850,80 @@ export const Commands = [
         },
         category: CommandCategories.actions,
     }),
+    new Command({
+        command: 'ignore-invites',
+        args: '<"room"|room-id>',
+        description: _td('Ignores all invitations from the room going forward.'),
+        runFn: function(commandRoomId, args) {
+            const cli = MatrixClientPeg.get();
+            const roomMatches = args.match(/^([!][^:]+:\S+)$/);
+            let targetRoomId;
+            if (roomMatches) {
+                targetRoomId = roomMatches[1];
+            } else if (args === "room") {
+                targetRoomId = commandRoomId;
+            }
+            if (Boolean(targetRoomId)) {
+                const ignoredInvites = cli.getIgnoredInvites();
+                if (ignoredInvites.ignored_rooms === undefined) {
+                    ignoredInvites.ignored_rooms = [];
+                }
+                const isAlreadyIgnored = Boolean(ignoredInvites.ignored_rooms
+                    .find(ignoredRoom => ignoredRoom.room_id === targetRoomId));
+                // Doesn't feel right that we don't tell them it is already ignored
+                // but that's what the user ignore does too so *shrug*
+                if (!isAlreadyIgnored) {
+                    ignoredInvites.ignored_rooms.push({
+                        room_id: targetRoomId,
+                        ts: Date.now(), // TODO: Check this is the timestamp we want?
+                    });
+                }
+                return success(
+                    cli.setIgnoredInvites(ignoredInvites).then(() => {
+                        Modal.createDialog(InfoDialog, {
+                            title: _t('Ignored invitations from room'),
+                            description: <div>
+                                <p>{ _t('You are now ignoring invitations from %(roomId)s', { roomId: targetRoomId }) }</p>
+                            </div>,
+                        });
+                    }),
+                );
+            }
+        },
+        category: CommandCategories.actions,
+    }),
+    new Command({
+        command: 'unignore-invites',
+        args: '<room-id>',
+        description: _td('Stops ignoring a room, showing the invitations going forward'),
+        runFn: function(roomId, args) {
+            if (args) {
+                const cli = MatrixClientPeg.get();
+                const roomMatches = args.match(/^([!][^:]+:\S+)$/);
+                if (roomMatches) {
+                    const roomId = roomMatches[1];
+                    const ignoredInvites = cli.getIgnoredInvites();
+                    if (ignoredInvites.ignored_rooms === undefined) {
+                        ignoredInvites.ignored_rooms = [];
+                    }
+                    const index = ignoredInvites.ignored_rooms.findIndex(r => r.room_id === roomId);
+                    if (index !== -1) ignoredInvites.ignored_rooms.splice(index, 1);
+                    return success(
+                        cli.setIgnoredInvites(ignoredInvites).then(() => {
+                            Modal.createDialog(InfoDialog, {
+                                title: _t('No longer ignoring invitations from room'),
+                                description: <div>
+                                    <p>{ _t('You are no longer ignoring invitations from %(roomId)s', { roomId }) }</p>
+                                </div>,
+                            });
+                        }),
+                    );
+                }
+            }
+            return reject(this.getUsage());
+        },
+        category: CommandCategories.actions,
+    }),
     new Command({
         command: 'op',
         args: '<user-id> [<power-level>]',
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 906d2358d1b..7c7502dc7b3 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -428,6 +428,12 @@
     "Stops ignoring a user, showing their messages going forward": "Stops ignoring a user, showing their messages going forward",
     "Unignored user": "Unignored user",
     "You are no longer ignoring %(userId)s": "You are no longer ignoring %(userId)s",
+    "Ignores all invitations from the room going forward.": "Ignores all invitations from the room going forward.",
+    "Ignored invitations from room": "Ignored invitations from room",
+    "You are now ignoring invitations from %(roomId)s": "You are now ignoring invitations from %(roomId)s",
+    "Stops ignoring a room, showing the invitations going forward": "Stops ignoring a room, showing the invitations going forward",
+    "No longer ignoring invitations from room": "No longer ignoring invitations from room",
+    "You are no longer ignoring invitations from %(roomId)s": "You are no longer ignoring invitations from %(roomId)s",
     "Define the power level of a user": "Define the power level of a user",
     "Command failed: Unable to find room (%(roomId)s": "Command failed: Unable to find room (%(roomId)s",
     "Could not find user in room": "Could not find user in room",
diff --git a/src/i18n/strings/en_US.json b/src/i18n/strings/en_US.json
index 5f68a61b47c..9bd087bb5d7 100644
--- a/src/i18n/strings/en_US.json
+++ b/src/i18n/strings/en_US.json
@@ -99,6 +99,11 @@
     "Ignored user": "Ignored user",
     "Stops ignoring a user, showing their messages going forward": "Stops ignoring a user, showing their messages going forward",
     "Ignores a user, hiding their messages from you": "Ignores a user, hiding their messages from you",
+    "Ignores all invitations from the room going forward.": "Ignores all invitations from the room going forward.",
+    "Ignored invitations from room": "Ignored invitations from room",
+    "You are now ignoring invitations from %(roomId)s": "You are now ignoring invitations from %(roomId)s",
+    "Stops ignoring a room, showing the invitations going forward": "Stops ignoring a room, showing the invitations going forward",
+    "You are no longer ignoring invitations from %(roomId)s": "You are no longer ignoring invitations from %(roomId)s",
     "Leave room": "Leave room",
     "Publish this room to the public in %(domain)s's room directory?": "Publish this room to the public in %(domain)s's room directory?",
     "Logout": "Logout",