diff --git a/app/assets/javascripts/issues/list/constants.js b/app/assets/javascripts/issues/list/constants.js
index 45c8991e167cb28d3dea46924054cb94c1102bba..f2e0165f76de8d8bb0ba747711634b4260b1b95b 100644
--- a/app/assets/javascripts/issues/list/constants.js
+++ b/app/assets/javascripts/issues/list/constants.js
@@ -23,6 +23,7 @@ import {
   TOKEN_TYPE_HEALTH,
   TOKEN_TYPE_ITERATION,
   TOKEN_TYPE_LABEL,
+  TOKEN_TYPE_MERGE_USER,
   TOKEN_TYPE_MILESTONE,
   TOKEN_TYPE_MY_REACTION,
   TOKEN_TYPE_ORGANIZATION,
@@ -238,6 +239,16 @@ export const filtersMap = {
       },
     },
   },
+  [TOKEN_TYPE_MERGE_USER]: {
+    [API_PARAM]: {
+      [NORMAL_FILTER]: 'mergeUser',
+    },
+    [URL_PARAM]: {
+      [OPERATOR_IS]: {
+        [NORMAL_FILTER]: 'merge_user',
+      },
+    },
+  },
   [TOKEN_TYPE_MILESTONE]: {
     [API_PARAM]: {
       [NORMAL_FILTER]: 'milestoneTitle',
diff --git a/app/assets/javascripts/merge_requests/list/components/merge_requests_list_app.vue b/app/assets/javascripts/merge_requests/list/components/merge_requests_list_app.vue
index de00383ac3fc24231598d1cb3e0dcb5f5ef8c8f8..d26bec96f8693fce00081b8a93eab695c06cca4c 100644
--- a/app/assets/javascripts/merge_requests/list/components/merge_requests_list_app.vue
+++ b/app/assets/javascripts/merge_requests/list/components/merge_requests_list_app.vue
@@ -31,6 +31,8 @@ import {
   TOKEN_TYPE_ASSIGNEE,
   TOKEN_TITLE_REVIEWER,
   TOKEN_TYPE_REVIEWER,
+  TOKEN_TYPE_MERGE_USER,
+  TOKEN_TITLE_MERGE_USER,
   TOKEN_TITLE_MILESTONE,
   TOKEN_TYPE_MILESTONE,
   TOKEN_TITLE_MY_REACTION,
@@ -264,6 +266,21 @@ export default {
           ],
           unique: true,
         },
+        {
+          type: TOKEN_TYPE_MERGE_USER,
+          title: TOKEN_TITLE_MERGE_USER,
+          icon: 'merge',
+          token: UserToken,
+          dataType: 'user',
+          defaultUsers: [],
+          operators: OPERATORS_IS,
+          fullPath: this.fullPath,
+          isProject: true,
+          recentSuggestionsStorageKey: `${this.fullPath}-merge_requests-recent-tokens-merged_by`,
+          preloadedUsers,
+          multiselect: false,
+          unique: true,
+        },
         {
           type: TOKEN_TYPE_MILESTONE,
           title: TOKEN_TITLE_MILESTONE,
diff --git a/app/assets/javascripts/merge_requests/list/queries/get_merge_requests.query.graphql b/app/assets/javascripts/merge_requests/list/queries/get_merge_requests.query.graphql
index e483ef97748ae4a500be9942ac09c8386dd682eb..1fc02d73ba3497e7544c018403dd1db7316e5578 100644
--- a/app/assets/javascripts/merge_requests/list/queries/get_merge_requests.query.graphql
+++ b/app/assets/javascripts/merge_requests/list/queries/get_merge_requests.query.graphql
@@ -16,6 +16,7 @@ query getMergeRequests(
   $draft: Boolean
   $labelName: [String!]
   $releaseTag: String
+  $mergeUser: String
   $milestoneTitle: String
   $milestoneWildcardId: MilestoneWildcardId
   $myReactionEmoji: String
@@ -41,6 +42,7 @@ query getMergeRequests(
       draft: $draft
       labelName: $labelName
       releaseTag: $releaseTag
+      mergedBy: $mergeUser
       milestoneTitle: $milestoneTitle
       milestoneWildcardId: $milestoneWildcardId
       myReactionEmoji: $myReactionEmoji
diff --git a/spec/frontend/merge_requests/list/components/merge_requests_list_app_spec.js b/spec/frontend/merge_requests/list/components/merge_requests_list_app_spec.js
index 2f558c03c5d0bf7f819bb6ddd73a06bc45d5cf36..558afa4f9feca0a4871ad4dde2591ebc89256d32 100644
--- a/spec/frontend/merge_requests/list/components/merge_requests_list_app_spec.js
+++ b/spec/frontend/merge_requests/list/components/merge_requests_list_app_spec.js
@@ -14,6 +14,7 @@ import {
   TOKEN_TYPE_AUTHOR,
   TOKEN_TYPE_DRAFT,
   TOKEN_TYPE_LABEL,
+  TOKEN_TYPE_MERGE_USER,
   TOKEN_TYPE_MILESTONE,
   TOKEN_TYPE_MY_REACTION,
   TOKEN_TYPE_SOURCE_BRANCH,
@@ -145,6 +146,7 @@ describe('Merge requests list app', () => {
           { type: TOKEN_TYPE_REVIEWER, preloadedUsers: [] },
           { type: TOKEN_TYPE_AUTHOR, preloadedUsers: [] },
           { type: TOKEN_TYPE_DRAFT },
+          { type: TOKEN_TYPE_MERGE_USER, preloadedUsers: [] },
           { type: TOKEN_TYPE_MILESTONE },
           { type: TOKEN_TYPE_TARGET_BRANCH },
           { type: TOKEN_TYPE_SOURCE_BRANCH },
@@ -162,6 +164,7 @@ describe('Merge requests list app', () => {
         reviewer_username: 'bill',
         draft: 'yes',
         'label_name[]': 'fluff',
+        merge_user: 'mallory',
         milestone_title: 'milestone',
         my_reaction_emoji: '🔥',
         'target_branches[]': 'branch-a',
@@ -198,6 +201,7 @@ describe('Merge requests list app', () => {
           { type: TOKEN_TYPE_REVIEWER, preloadedUsers },
           { type: TOKEN_TYPE_AUTHOR, preloadedUsers },
           { type: TOKEN_TYPE_DRAFT },
+          { type: TOKEN_TYPE_MERGE_USER, preloadedUsers },
           { type: TOKEN_TYPE_MILESTONE },
           { type: TOKEN_TYPE_TARGET_BRANCH },
           { type: TOKEN_TYPE_SOURCE_BRANCH },
@@ -214,6 +218,7 @@ describe('Merge requests list app', () => {
           { type: TOKEN_TYPE_REVIEWER },
           { type: TOKEN_TYPE_DRAFT },
           { type: TOKEN_TYPE_LABEL },
+          { type: TOKEN_TYPE_MERGE_USER },
           { type: TOKEN_TYPE_MILESTONE },
           { type: TOKEN_TYPE_MY_REACTION },
           { type: TOKEN_TYPE_TARGET_BRANCH },