diff --git a/includes/mime_type.autocomplete.inc b/includes/mime_type.autocomplete.inc
new file mode 100644
index 00000000..3ac31079
--- /dev/null
+++ b/includes/mime_type.autocomplete.inc
@@ -0,0 +1,27 @@
+<?php
+/**
+ * @file
+ * Autocomplete functionality for MIME types in Islandora.
+ */
+
+/**
+ * Autocomplete the MIME type name.
+ *
+ * @param string $string
+ *   A search string.
+ *
+ * @return string
+ *   The rendered JSON results.
+ */
+function islandora_mime_type_autocomplete($string) {
+  module_load_include('inc', 'islandora', 'includes/mime_detect');
+  $mime_detect = new MimeDetect();
+  $mime_types = $mime_detect->getMimeTypes();
+  $output = array();
+  foreach ($mime_types as $mime_type) {
+    if (preg_match("/{$string}/i", $mime_type) !== 0) {
+      $output[$mime_type] = $mime_type;
+    }
+  }
+  return drupal_json_output($output);
+}
diff --git a/islandora.module b/islandora.module
index 8e480baa..99a5740b 100644
--- a/islandora.module
+++ b/islandora.module
@@ -62,6 +62,7 @@ define('ISLANDORA_DERVIATIVE_CREATION_HOOK', 'islandora_derivative');
 
 // Autocomplete paths.
 define('ISLANDORA_CONTENT_MODELS_AUTOCOMPLETE', 'islandora/autocomplete/content-models');
+define('ISLANDORA_MIME_TYPES_AUTOCOMPLETE', 'islandora/autocomplete/mime-types');
 
 /**
  * @deprecated Constants.
@@ -358,6 +359,15 @@ function islandora_menu() {
     'access arguments' => array('administer site configuration'),
     'type' => MENU_CALLBACK,
   );
+  $items[ISLANDORA_MIME_TYPES_AUTOCOMPLETE] = array(
+    'title' => 'Autocomplete callback',
+    'description' => 'Autocomplete MIME Types.',
+    'file' => 'includes/mime_type.autocomplete.inc',
+    'page callback' => 'islandora_mime_type_autocomplete',
+    'page arguments' => array(3),
+    'access arguments' => array('administer site configuration'),
+    'type' => MENU_CALLBACK,
+  );
   $items['admin/islandora/restore/prep'] = array(
     'description' => 'Restore or permanantly remove objects with Deleted status',
     'title' => 'Manage Deleted Objects',