diff --git a/mailchimp.module b/mailchimp.module
index 7e0749e..ba5744d 100644
--- a/mailchimp.module
+++ b/mailchimp.module
@@ -305,7 +305,7 @@ function mailchimp_get_list($list_id) {
 
 /**
  * Get the MailChimp memberinfo for a given email address and list.
- * 
+ *
  * Results are cached in the cache_mailchimp_user bin which is cleared by the MC
  * web hooks system when needed.
  *
@@ -500,7 +500,7 @@ function mailchimp_get_campaign_data($campaign_id, $reset = FALSE) {
 
 /**
  * Wrapper around MCAPI::campaignsForEmail().
- * 
+ *
  * Returns all IDs of campaigns that have included a given email address.
  *
  * @string $email
@@ -546,3 +546,21 @@ function mailchimp_get_lists_by_email($email) {
 
   return $filtered_lists;
 }
+
+/**
+ * Helper function to help integrate with the i18n_strings module.
+ *
+ * @param string $name
+ *   Textgroup and context glued with ':'.
+ * @param string $string
+ *   The raw db value for the given property
+ * @param string $langcode
+ *   Optional language code to override the page requested one.
+ */
+function mailchimp_t($name, $string, $langcode = NULL) {
+  static $i18n = NULL;
+  if (!isset($i18n)) {
+    $i18n = module_exists('mailchimp_i18n');
+  }
+  return $i18n ? i18n_string($name, $string, array('langcode' => $langcode)) : $string;
+}
diff --git a/modules/mailchimp_i18n/mailchimp_i18n.info b/modules/mailchimp_i18n/mailchimp_i18n.info
new file mode 100644
index 0000000..6a701df
--- /dev/null
+++ b/modules/mailchimp_i18n/mailchimp_i18n.info
@@ -0,0 +1,12 @@
+name = Mailchimp internationalization
+description = "Internationalization of mailchimp strings."
+
+package = "Multilingual - Internationalization"
+
+; Module dependencies
+dependencies[] = mailchimp_lists
+dependencies[] = i18n_string
+
+version = "7.x-2.12"
+core = "7.x"
+project = "mailchimp"
diff --git a/modules/mailchimp_i18n/mailchimp_i18n.module b/modules/mailchimp_i18n/mailchimp_i18n.module
new file mode 100644
index 0000000..34fae4d
--- /dev/null
+++ b/modules/mailchimp_i18n/mailchimp_i18n.module
@@ -0,0 +1,40 @@
+<?php
+
+/**
+ * @file
+ * Provides translation for mailchimp module.
+ */
+
+/**
+ * Implements hook_i18n_string_info().
+ */
+function mailchimp_i18n_i18n_string_info() {
+  $groups['mailchimp'] = array(
+    'title' => t('Mailchimp'),
+    'description' => t('Mailchimp strings for localization.'),
+    'format' => FALSE,
+    'list' => TRUE,
+    'refresh callback' => 'mailchimp_i18n_string_refresh',
+  );
+  return $groups;
+}
+
+/**
+ * i18n_string callback for refreshing all strings.
+ */
+function mailchimp_i18n_string_refresh() {
+  $list_entities = mailchimp_lists_load_multiple_by_name();
+  foreach ($list_entities as $list_entity) {
+    $list = mailchimp_get_list($list_entity->mc_list_id);
+    if (!empty($list['mergevars'])) {
+      foreach ($list['mergevars'] as $mergevar) {
+        if (!empty($list_entity->settings['mergefields_display'][$mergevar['tag']])) {
+          i18n_string_update('mailchimp:form:' . $mergevar['tag'], $mergevar['name']);
+        }
+      }
+    }
+    i18n_string_update('mailchimp:' . $list_entity->name . ':label', $list_entity->label);
+    i18n_string_update('mailchimp:' . $list_entity->name . ':description', $list_entity->description);
+  }
+  return TRUE;
+}
diff --git a/modules/mailchimp_lists/mailchimp_lists.module b/modules/mailchimp_lists/mailchimp_lists.module
index ac345e4..19ccda9 100644
--- a/modules/mailchimp_lists/mailchimp_lists.module
+++ b/modules/mailchimp_lists/mailchimp_lists.module
@@ -251,7 +251,7 @@ function mailchimp_lists_form_user_register_form_alter(&$form, &$form_state, $fo
 
 /**
  * Implements hook_user_insert().
- * 
+ *
  * Subscribe new users to optional and required newsletters.
  */
 function mailchimp_lists_user_insert(&$edit, $account, $category) {
@@ -350,12 +350,12 @@ function mailchimp_lists_user_sync($account, $old_email = '', $new_email = '', $
 
 /**
  * Helper function for mailchimp_lists_user_sync().
- * 
+ *
  * @user $account
  * @mailchimp_list $list
  * @email null $new_email
  * @email null $old_email
- * 
+ *
  * @return array
  *   The mergevars with all values inserted.
  */
@@ -408,7 +408,7 @@ function mailchimp_lists_freeform_subscribe_page() {
 
 /**
  * Returns a subscription form, or forms, for a given user as a single form.
- * 
+ *
  * If there are multiple lists, this generates a single form for all of them.
  */
 function mailchimp_lists_user_subscribe_form($form, &$form_state, $lists, $account) {
@@ -460,12 +460,12 @@ function mailchimp_lists_auth_newsletter_form(&$form, $list, $account, $add_head
   $form[$wrapper_key]['list'] = array('#type' => 'value', '#value' => $list);
   // Add the title and description to lists for anonymous users or if requested:
   if ($add_header || ($list->settings['allow_anonymous'] && $is_anonymous)) {
-    $label_text = isset($list->settings['form_label']) ? $list->settings['form_label'] : 'Sign up for ' . $list->label();
+    $label_text = isset($list->settings['form_label']) ? $list->settings['form_label'] : t('Sign up for ') . mailchimp_t('mailchimp:' . $list->name . ':label', $list->label());
     $label = html_entity_decode(check_plain($label_text, ENT_QUOTES, 'UTF-8'));
     $form[$wrapper_key]['title'] = array(
       '#type' => 'item',
       '#markup' => $label,
-      '#description' => t('@mc_list_description', array('@mc_list_description' => $list->description)),
+      '#description' => mailchimp_t('mailchimp:' . $list->name . ':description', $list->description),
     );
   }
   // Add merge vars for anonymous forms:
@@ -585,9 +585,9 @@ function mailchimp_lists_user_subscribe_form_submit($form, &$form_state) {
  * Processor for various list form submissions.
  *
  * Subscription blocks, user settings, and new user creation.
- * 
+ *
  * @array $list_forms: an array of mailchimp_list form values, as generated
- *   by mailchimp_lists_list_form() 
+ *   by mailchimp_lists_list_form()
  * @account null $account: the user account to subscribe, if available.
  *   Otherwise, operations will be run with the ['mergevars']['EMAIL'] value.
  */
@@ -643,15 +643,15 @@ function mailchimp_lists_process_subscribe_form_choices($list_forms, $account =
 
 /**
  * Calls the appropriate API function, or adds to the queue, as appropriate.
- * 
+ *
  * @string $function - 'add', 'remove', or 'update'. Matches Queue operations.
- * @mailchimp_lists $list - the list to update 
+ * @mailchimp_lists $list - the list to update
  * @string $mail - email address to update on the list
  * @array $mergevars - merge variables array formatted for mailchimp API
  * @account null $account - account that $mail came from, if non-anonymous call
  * @mcapi_entity null &$mcapi - api object if loaded, to avoid extra API calls
  * @queue null &$queue - the cron queue. If passed, this will force use of cron.
- * 
+ *
  * @return <boolean>
  *   Indicates whether the operation was successful.
  */
@@ -737,7 +737,7 @@ function mailchimp_lists_mailchimp_lists_merge_tokens() {
 
 /**
  * Get the relevant merge vars for the given user for the given list.
- * 
+ *
  * @account $account
  * @mailchimp_list $list
  * @array null $interest_groups
@@ -890,7 +890,7 @@ function mailchimp_lists_block_view($delta = '') {
 function mailchimp_lists_insert_drupal_form_tag($mergevar) {
   // Insert common FormAPI properties:
   $input = array(
-    '#title' => t('@mergevar', array('@mergevar' => $mergevar['name'])),
+    '#title' => mailchimp_t('mailchimp:form:' . $mergevar['tag'], $mergevar['name']),
     '#weight' => $mergevar['order'],
     '#required' => $mergevar['req'],
     '#default_value' => $mergevar['default'],
@@ -970,7 +970,7 @@ function mailchimp_lists_forms($form_id, $args) {
  * Queue existing users in a list. Optionally, queue users to remove.
  *
  * @mailchimp_list $list
- * 
+ *
  * @boolean $queue_removals
  *   If set to TRUE, will queue anyone who should be removed from the list.
  *