diff --git a/app/soapbox/actions/admin.js b/app/soapbox/actions/admin.js
index 43119708d..ee957948d 100644
--- a/app/soapbox/actions/admin.js
+++ b/app/soapbox/actions/admin.js
@@ -125,9 +125,10 @@ export function closeReports(ids) {
   return patchReports(ids, 'closed');
 }
 
-export function fetchUsers(filters = [], page = 1, pageSize = 50) {
+export function fetchUsers(filters = [], page = 1, query, pageSize = 50) {
   return (dispatch, getState) => {
     const params = { filters: filters.join(), page, page_size: pageSize };
+    if (query) params.query = query;
 
     dispatch({ type: ADMIN_USERS_FETCH_REQUEST, filters, page, pageSize });
     return api(getState)
diff --git a/app/soapbox/features/admin/user_index.js b/app/soapbox/features/admin/user_index.js
index 71a173822..8ae051080 100644
--- a/app/soapbox/features/admin/user_index.js
+++ b/app/soapbox/features/admin/user_index.js
@@ -4,13 +4,20 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import PropTypes from 'prop-types';
 import { debounce } from 'lodash';
 import { fetchUsers } from 'soapbox/actions/admin';
-import { FormattedMessage } from 'react-intl';
+import { injectIntl, defineMessages } from 'react-intl';
 import AccountContainer from 'soapbox/containers/account_container';
 import Column from 'soapbox/features/ui/components/column';
 import ScrollableList from 'soapbox/components/scrollable_list';
+import { SimpleForm, TextInput } from 'soapbox/features/forms';
 import { Set as ImmutableSet, OrderedSet as ImmutableOrderedSet, is } from 'immutable';
 
+const messages = defineMessages({
+  empty: { id: 'admin.user_index.empty', defaultMessage: 'No users found.' },
+  searchPlaceholder: { id: 'admin.user_index.search_input_placeholder', defaultMessage: 'Who are you looking for?' },
+});
+
 export default @connect()
+@injectIntl
 class UserIndex extends ImmutablePureComponent {
 
   static propTypes = {
@@ -24,20 +31,22 @@ class UserIndex extends ImmutablePureComponent {
     total: Infinity,
     pageSize: 50,
     page: 0,
+    query: '',
   }
 
-  clearState = () => {
+  clearState = callback => {
     this.setState({
       isLoading: true,
+      accountIds: ImmutableOrderedSet(),
       page: 0,
-    });
+    }, callback);
   }
 
   fetchNextPage = () => {
-    const { filters, page, pageSize } = this.state;
+    const { filters, page, query, pageSize } = this.state;
     const nextPage = page + 1;
 
-    this.props.dispatch(fetchUsers(filters, nextPage, pageSize))
+    this.props.dispatch(fetchUsers(filters, nextPage, query, pageSize))
       .then(({ users, count }) => {
         const newIds = users.map(user => user.id);
 
@@ -55,12 +64,19 @@ class UserIndex extends ImmutablePureComponent {
     this.fetchNextPage();
   }
 
+  refresh = () => {
+    this.clearState(() => {
+      this.fetchNextPage();
+    });
+  }
+
   componentDidUpdate(prevProps, prevState) {
-    const { filters, q } = this.state;
+    const { filters, query } = this.state;
+    const filtersChanged = !is(filters, prevState.filters);
+    const queryChanged = query !== prevState.query;
 
-    if (!is(filters, prevState.filters) || !is(q, prevState.q)) {
-      this.clearState();
-      this.fetchNextPage();
+    if (filtersChanged || queryChanged) {
+      this.refresh();
     }
   }
 
@@ -68,7 +84,16 @@ class UserIndex extends ImmutablePureComponent {
     this.fetchNextPage();
   }, 2000, { leading: true });
 
+  updateQuery = debounce(query => {
+    this.setState({ query });
+  }, 900)
+
+  handleQueryChange = e => {
+    this.updateQuery(e.target.value);
+  };
+
   render() {
+    const { intl } = this.props;
     const { accountIds, isLoading } = this.state;
     const hasMore = accountIds.count() < this.state.total;
 
@@ -76,13 +101,20 @@ class UserIndex extends ImmutablePureComponent {
 
     return (
       <Column>
+        <SimpleForm style={{ paddingBottom: 0 }}>
+          <TextInput
+            value={this.state.q}
+            onChange={this.handleQueryChange}
+            placeholder={intl.formatMessage(messages.searchPlaceholder)}
+          />
+        </SimpleForm>
         <ScrollableList
           scrollKey='user-index'
           hasMore={hasMore}
           isLoading={isLoading}
           showLoading={showLoading}
           onLoadMore={this.handleLoadMore}
-          emptyMessage={<FormattedMessage id='admin.user_index.empty' defaultMessage='No users found.' />}
+          emptyMessage={intl.formatMessage(messages.empty)}
         >
           {accountIds.map(id =>
             <AccountContainer key={id} id={id} withNote={false} />,