diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
index 29cfc2dc62e9f..d57a4e1197e1e 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/form_div_layout.html.twig
@@ -68,7 +68,11 @@
             {% set render_preferred_choices = true %}
             {{- block('choice_widget_options') -}}
             {%- if choices|length > 0 and separator is not none -%}
-                <option disabled="disabled">{{ separator }}</option>
+                {%- if separator_html is not defined or separator_html is same as(false) -%}
+                    <option disabled="disabled">{{ separator }}</option>
+                {% else %}
+                    {{ separator|raw }}
+                {% endif %}
             {%- endif -%}
         {%- endif -%}
         {%- set options = choices -%}
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
index 4040f9a79d427..fe5af460226fa 100644
--- a/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
+++ b/src/Symfony/Bridge/Twig/Resources/views/Form/foundation_5_layout.html.twig
@@ -163,7 +163,11 @@
             {% set render_preferred_choices = true %}
             {{- block('choice_widget_options') -}}
             {% if choices|length > 0 and separator is not none -%}
-                <option disabled="disabled">{{ separator }}</option>
+                {%- if separator_html is not defined or separator_html is same as(false) -%}
+                    <option disabled="disabled">{{ separator }}</option>
+                {% else %}
+                    {{ separator|raw }}
+                {% endif %}
             {%- endif %}
         {%- endif -%}
         {% set options = choices -%}
diff --git a/src/Symfony/Component/Form/CHANGELOG.md b/src/Symfony/Component/Form/CHANGELOG.md
index 273a71c0cde51..eb374a589df05 100644
--- a/src/Symfony/Component/Form/CHANGELOG.md
+++ b/src/Symfony/Component/Form/CHANGELOG.md
@@ -4,6 +4,7 @@ CHANGELOG
 7.1
 ---
 
+ * Add option `separator` to `ChoiceType` to use a custom separator after preferred choices (use the new `separator_html` option to display the separator text as HTML)
  * Deprecate not configuring the `default_protocol` option of the `UrlType`, it will default to `null` in 8.0
 
 7.0
diff --git a/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php b/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
index 0030a835ff636..8d4584761c402 100644
--- a/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
+++ b/src/Symfony/Component/Form/Extension/Core/Type/ChoiceType.php
@@ -234,7 +234,8 @@ public function buildView(FormView $view, FormInterface $form, array $options):
             'expanded' => $options['expanded'],
             'preferred_choices' => $choiceListView->preferredChoices,
             'choices' => $choiceListView->choices,
-            'separator' => '-------------------',
+            'separator' => $options['separator'],
+            'separator_html' => $options['separator_html'],
             'placeholder' => null,
             'placeholder_attr' => [],
             'choice_translation_domain' => $choiceTranslationDomain,
@@ -342,6 +343,8 @@ public function configureOptions(OptionsResolver $resolver): void
             'choice_attr' => null,
             'choice_translation_parameters' => [],
             'preferred_choices' => [],
+            'separator' => '-------------------',
+            'separator_html' => false,
             'duplicate_preferred_choices' => true,
             'group_by' => null,
             'empty_data' => $emptyData,
@@ -372,6 +375,8 @@ public function configureOptions(OptionsResolver $resolver): void
         $resolver->setAllowedTypes('choice_translation_parameters', ['null', 'array', 'callable', ChoiceTranslationParameters::class]);
         $resolver->setAllowedTypes('placeholder_attr', ['array']);
         $resolver->setAllowedTypes('preferred_choices', ['array', \Traversable::class, 'callable', 'string', PropertyPath::class, PreferredChoice::class]);
+        $resolver->setAllowedTypes('separator', ['string']);
+        $resolver->setAllowedTypes('separator_html', ['bool']);
         $resolver->setAllowedTypes('duplicate_preferred_choices', 'bool');
         $resolver->setAllowedTypes('group_by', ['null', 'callable', 'string', PropertyPath::class, GroupBy::class]);
     }
diff --git a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.json b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.json
index 27371fd6f668a..e071ec712fa13 100644
--- a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.json
+++ b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.json
@@ -18,7 +18,9 @@
             "multiple",
             "placeholder",
             "placeholder_attr",
-            "preferred_choices"
+            "preferred_choices",
+            "separator",
+            "separator_html"
         ],
         "overridden": {
             "Symfony\\Component\\Form\\Extension\\Core\\Type\\FormType": [
diff --git a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.txt b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.txt
index c8aee5e783270..005bfd3e96350 100644
--- a/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.txt
+++ b/src/Symfony/Component/Form/Tests/Fixtures/Descriptor/resolved_form_type_1.txt
@@ -21,8 +21,8 @@ Symfony\Component\Form\Extension\Core\Type\ChoiceType (Block prefix: "choice")
   placeholder                                          getter                                                
   placeholder_attr                                     help                                                  
   preferred_choices                                    help_attr                                             
-                                                       help_html                                             
-                                                       help_translation_parameters                           
+  separator                                            help_html                                             
+  separator_html                                       help_translation_parameters                           
                                                        inherit_data                                          
                                                        invalid_message_parameters                            
                                                        is_empty_callback