diff --git a/main/admin/user_edit.php b/main/admin/user_edit.php
index 80c1416e80..f3bd9b35eb 100755
--- a/main/admin/user_edit.php
+++ b/main/admin/user_edit.php
@@ -104,23 +104,23 @@ $form->addElement('hidden', 'user_id', $user_id);
 
 if (api_is_western_name_order()) {
     // Firstname
-    $form->addElement('text', 'firstname', get_lang('FirstName'));
+    $form->addElement('text', 'firstname', get_lang('FirstName'), ['autocomplete' => 'off']);
     $form->applyFilter('firstname', 'html_filter');
     $form->applyFilter('firstname', 'trim');
     $form->addRule('firstname', get_lang('ThisFieldIsRequired'), 'required');
     // Lastname
-    $form->addElement('text', 'lastname', get_lang('LastName'));
+    $form->addElement('text', 'lastname', get_lang('LastName'), ['autocomplete' => 'off']);
     $form->applyFilter('lastname', 'html_filter');
     $form->applyFilter('lastname', 'trim');
     $form->addRule('lastname', get_lang('ThisFieldIsRequired'), 'required');
 } else {
     // Lastname
-    $form->addElement('text', 'lastname', get_lang('LastName'));
+    $form->addElement('text', 'lastname', get_lang('LastName'), ['autocomplete' => 'off']);
     $form->applyFilter('lastname', 'html_filter');
     $form->applyFilter('lastname', 'trim');
     $form->addRule('lastname', get_lang('ThisFieldIsRequired'), 'required');
     // Firstname
-    $form->addElement('text', 'firstname', get_lang('FirstName'));
+    $form->addElement('text', 'firstname', get_lang('FirstName'), ['autocomplete' => 'off']);
     $form->applyFilter('firstname', 'html_filter');
     $form->applyFilter('firstname', 'trim');
     $form->addRule('firstname', get_lang('ThisFieldIsRequired'), 'required');
@@ -132,7 +132,7 @@ $form->applyFilter('official_code', 'html_filter');
 $form->applyFilter('official_code', 'trim');
 
 // Email
-$form->addElement('text', 'email', get_lang('Email'));
+$form->addElement('text', 'email', get_lang('Email'), ['autocomplete' => 'off']);
 $form->addRule('email', get_lang('EmailWrong'), 'email');
 if (api_get_setting('registration', 'email') == 'true') {
     $form->addRule('email', get_lang('EmailWrong'), 'required');
@@ -149,7 +149,7 @@ if (api_get_setting('openid_authentication') == 'true') {
 }
 
 // Phone
-$form->addElement('text', 'phone', get_lang('PhoneNumber'));
+$form->addElement('text', 'phone', get_lang('PhoneNumber'), ['autocomplete' => 'off']);
 
 // Picture
 $form->addFile(
@@ -171,7 +171,7 @@ if (strlen($user_data['picture_uri']) > 0) {
 
 // Username
 if (api_get_setting('login_is_email') != 'true') {
-    $form->addElement('text', 'username', get_lang('LoginName'), ['maxlength' => USERNAME_MAX_LENGTH]);
+    $form->addElement('text', 'username', get_lang('LoginName'), ['autocomplete' => 'off', 'maxlength' => USERNAME_MAX_LENGTH]);
     $form->addRule('username', get_lang('ThisFieldIsRequired'), 'required');
     $form->addRule('username', sprintf(get_lang('UsernameMaxXCharacters'), (string) USERNAME_MAX_LENGTH), 'maxlength', USERNAME_MAX_LENGTH);
     $form->addRule('username', get_lang('OnlyLettersAndNumbersAllowed'), 'username');
@@ -215,7 +215,7 @@ $group[] = $form->createElement(
     'password',
     'password',
     null,
-    ['onkeydown' => 'javascript: password_switch_radio_button();']
+    ['onkeydown' => 'javascript: password_switch_radio_button();', 'autocomplete' => 'off']
 );
 
 $form->addGroup($group, 'password', null, null, false);