diff --git a/app/controllers/admin/reports_controller.rb b/app/controllers/admin/reports_controller.rb
index f138376b2..09ce1761c 100644
--- a/app/controllers/admin/reports_controller.rb
+++ b/app/controllers/admin/reports_controller.rb
@@ -55,7 +55,8 @@ module Admin
       params.permit(
         :account_id,
         :resolved,
-        :target_account_id
+        :target_account_id,
+        :by_target_domain
       )
     end
 
diff --git a/app/helpers/admin/filter_helper.rb b/app/helpers/admin/filter_helper.rb
index 8af1683e7..fc4f15985 100644
--- a/app/helpers/admin/filter_helper.rb
+++ b/app/helpers/admin/filter_helper.rb
@@ -2,7 +2,7 @@
 
 module Admin::FilterHelper
   ACCOUNT_FILTERS      = %i(local remote by_domain active pending silenced suspended username display_name email ip staff).freeze
-  REPORT_FILTERS       = %i(resolved account_id target_account_id).freeze
+  REPORT_FILTERS       = %i(resolved account_id target_account_id by_target_domain).freeze
   INVITE_FILTER        = %i(available expired).freeze
   CUSTOM_EMOJI_FILTERS = %i(local remote by_domain shortcode).freeze
   TAGS_FILTERS         = %i(directory reviewed unreviewed pending_review popular active name).freeze
diff --git a/app/models/report_filter.rb b/app/models/report_filter.rb
index a392d60c3..abf53cbab 100644
--- a/app/models/report_filter.rb
+++ b/app/models/report_filter.rb
@@ -19,6 +19,8 @@ class ReportFilter
 
   def scope_for(key, value)
     case key.to_sym
+    when :by_target_domain
+      Report.where(target_account: Account.where(domain: value))
     when :resolved
       Report.resolved
     when :account_id
diff --git a/app/views/admin/reports/index.html.haml b/app/views/admin/reports/index.html.haml
index bfbd32108..b09472270 100644
--- a/app/views/admin/reports/index.html.haml
+++ b/app/views/admin/reports/index.html.haml
@@ -8,6 +8,20 @@
       %li= filter_link_to t('admin.reports.unresolved'), resolved: nil
       %li= filter_link_to t('admin.reports.resolved'), resolved: '1'
 
+= form_tag admin_reports_url, method: 'GET', class: 'simple_form' do
+  .fields-group
+    - Admin::FilterHelper::REPORT_FILTERS.each do |key|
+      - if params[key].present?
+        = hidden_field_tag key, params[key]
+
+    - %i(by_target_domain).each do |key|
+      .input.string.optional
+        = text_field_tag key, params[key], class: 'string optional', placeholder: I18n.t("admin.reports.#{key}")
+
+    .actions
+      %button= t('admin.accounts.search')
+      = link_to t('admin.accounts.reset'), admin_reports_path, class: 'button negative'
+
 - @reports.group_by(&:target_account_id).each do |target_account_id, reports|
   - target_account = reports.first.target_account
   .report-card
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 783b7a4f6..e69b3596f 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -405,6 +405,7 @@ en:
       are_you_sure: Are you sure?
       assign_to_self: Assign to me
       assigned: Assigned moderator
+      by_target_domain: Domain of reported account
       comment:
         none: None
       created_at: Reported