diff --git a/app/views/layouts/user_mailer.html.erb b/app/views/layouts/user_mailer.html.erb
index 243a7b28278..8ed95c823ec 100644
--- a/app/views/layouts/user_mailer.html.erb
+++ b/app/views/layouts/user_mailer.html.erb
@@ -46,6 +46,7 @@
                                           attachments['logo.png'].url,
                                           size: '142x19',
                                           style: 'width: 142px; height: 19px;',
+                                          alt: t('mailer.logo', app_name: APP_NAME),
                                         ) %>
                                   </th>
                                   <th class="expander"></th>
diff --git a/config/locales/mailer/en.yml b/config/locales/mailer/en.yml
index 879ffe1ffcc..7efbe725413 100644
--- a/config/locales/mailer/en.yml
+++ b/config/locales/mailer/en.yml
@@ -5,5 +5,6 @@ en:
     email_reuse_notice:
       subject: This email address is already associated with an account.
     help: If you need help, visit %{link}
+    logo: '%{app_name} logo'
     no_reply: Please do not reply to this message.
     privacy_policy: Privacy policy
diff --git a/config/locales/mailer/es.yml b/config/locales/mailer/es.yml
index a372efd30d7..e9cd9abe3d7 100644
--- a/config/locales/mailer/es.yml
+++ b/config/locales/mailer/es.yml
@@ -5,5 +5,6 @@ es:
     email_reuse_notice:
       subject: Este email ya está asociado a una cuenta.
     help: Si necesita ayuda, visite %{link}
+    logo: '%{app_name} logo'
     no_reply: Por favor, no responda a este mensaje.
     privacy_policy: Póliza de privacidad
diff --git a/config/locales/mailer/fr.yml b/config/locales/mailer/fr.yml
index 973fd7b1a4a..ebcad3e0227 100644
--- a/config/locales/mailer/fr.yml
+++ b/config/locales/mailer/fr.yml
@@ -5,5 +5,6 @@ fr:
     email_reuse_notice:
       subject: Cette adresse courriel est déjà associée à un compte.
     help: Si vous avez besoin d’aide, visitez le site %{link}
+    logo: '%{app_name} logo'
     no_reply: Veuillez ne pas répondre à ce message.
     privacy_policy: Politique de confidentialité
diff --git a/spec/i18n_spec.rb b/spec/i18n_spec.rb
index a19f6c95957..48f5da5c5b4 100644
--- a/spec/i18n_spec.rb
+++ b/spec/i18n_spec.rb
@@ -29,6 +29,7 @@ class BaseTask
         { key: 'time.pm' }, # "PM" is "PM" in French and Spanish
         { key: 'datetime.dotiw.minutes.one' }, # "minute is minute" in French and English
         { key: 'datetime.dotiw.minutes.other' }, # "minute is minute" in French and English
+        { key: 'mailer.logo' }, # "logo is logo" in English, French and Spanish
       ].freeze
       # rubocop:enable Layout/LineLength
 
diff --git a/spec/views/layouts/user_mailer.html.erb_spec.rb b/spec/views/layouts/user_mailer.html.erb_spec.rb
index b05277588c1..d2acbf298de 100644
--- a/spec/views/layouts/user_mailer.html.erb_spec.rb
+++ b/spec/views/layouts/user_mailer.html.erb_spec.rb
@@ -19,6 +19,10 @@
     expect(rendered).to have_css("img[src*='.mail']")
   end
 
+  it 'includes alt text for app logo that reads Login.gov logo' do
+    expect(rendered).to have_css("img[alt='#{t('mailer.logo', app_name: APP_NAME)}']")
+  end
+
   it 'includes the message subject in the body' do
     expect(rendered).to have_content @mail.subject
   end