diff --git a/src/agenda_culturel/forms.py b/src/agenda_culturel/forms.py
index 4570aaf..f787150 100644
--- a/src/agenda_culturel/forms.py
+++ b/src/agenda_culturel/forms.py
@@ -788,9 +788,13 @@ class MessageForm(ModelForm):
     class Meta:
         model = Message
         fields = ["subject", "name", "email", "message", "related_event"]
-        widgets = {"related_event": HiddenInput()}
+        widgets = {"related_event": HiddenInput(), "user": HiddenInput() }
 
     def __init__(self, *args, **kwargs):
         self.event = kwargs.pop("event", False)
+        self.internal = kwargs.pop("internal", False)
         super().__init__(*args, **kwargs)
         self.fields['related_event'].required = False
+        if self.internal:
+            self.fields.pop("name")
+            self.fields.pop("email")
diff --git a/src/agenda_culturel/migrations/0126_message_user.py b/src/agenda_culturel/migrations/0126_message_user.py
new file mode 100644
index 0000000..42caa87
--- /dev/null
+++ b/src/agenda_culturel/migrations/0126_message_user.py
@@ -0,0 +1,21 @@
+# Generated by Django 4.2.9 on 2024-12-11 11:56
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('agenda_culturel', '0125_rename_contactmessage_message_alter_message_options'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='message',
+            name='user',
+            field=models.ForeignKey(default=None, null=True, on_delete=django.db.models.deletion.SET_DEFAULT, to=settings.AUTH_USER_MODEL, verbose_name='Author of the message'),
+        ),
+    ]
diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index b404527..65eea51 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -1761,6 +1761,14 @@ class Message(models.Model):
         on_delete=models.SET_DEFAULT,
     )
 
+    user = models.ForeignKey(
+        User,
+        verbose_name=_("Author of the message"),
+        null=True,
+        default=None,
+        on_delete=models.SET_DEFAULT,
+    )
+
     name = models.CharField(
         verbose_name=_("Name"),
         help_text=_("Your name"),
diff --git a/src/agenda_culturel/templates/agenda_culturel/message_moderation_form.html b/src/agenda_culturel/templates/agenda_culturel/message_moderation_form.html
index 6e2d656..9ed886a 100644
--- a/src/agenda_culturel/templates/agenda_culturel/message_moderation_form.html
+++ b/src/agenda_culturel/templates/agenda_culturel/message_moderation_form.html
@@ -30,7 +30,7 @@
             <h1>Modération du message «&nbsp;{{ object.subject }}&nbsp;»</h1>
             <ul>
                 <li>Date&nbsp;: {{ object.date.date }} à {{ object.date.time }}</li>
-                <li>Auteur&nbsp;: {{ object.name }} {% if object.email %}<a href="mailto:{{ object.email }}">{{ object.email }}</a>{% endif %}</li>
+                <li>Auteur&nbsp;: {% if object.user %}<em>{{ object.user }}</em>{% else %}{{ object.name }}{% endif %} {% if object.email %}<a href="mailto:{{ object.email }}">{{ object.email }}</a>{% endif %}</li>
                 {% if object.related_event %}<li>Événement associé&nbsp;: <a href="{{ object.related_event.get_absolute_url }}">{{ object.related_event.title }}</a> du {{ object.related_event.start_day }}</li>{% endif %}
             </ul>
         </header>
diff --git a/src/agenda_culturel/templates/agenda_culturel/messages.html b/src/agenda_culturel/templates/agenda_culturel/messages.html
index b9a587b..257fcbf 100644
--- a/src/agenda_culturel/templates/agenda_culturel/messages.html
+++ b/src/agenda_culturel/templates/agenda_culturel/messages.html
@@ -46,7 +46,7 @@
         <tr>
             <td>{{ obj.date }}</td>
             <td><a href="{% url 'message' obj.pk %}">{{ obj.subject }}</a></td>
-            <td>{{ obj.name }}</td>
+            <td>{% if obj.user %}<em>{{ obj.user }}</em>{% else %}{{ obj.name }}{% endif %}</td>
             <td>{% if obj.related_event %}<a href="{{ obj.related_event.get_absolute_url }}">{{ obj.related_event.pk }}</a>{% else %}/{% endif %}</td>
             <td>{% if obj.closed %}{% picto_from_name "check-square" "fermé" %}{% else %}{% picto_from_name "square" "ouvert" %}{% endif %}</td>
             <td>{% if obj.spam %}{% picto_from_name "check-square" "spam" %}{% else %}{% picto_from_name "square" "non spam" %}{% endif %}</td>
diff --git a/src/agenda_culturel/views.py b/src/agenda_culturel/views.py
index 3cf3c37..8ef955c 100644
--- a/src/agenda_culturel/views.py
+++ b/src/agenda_culturel/views.py
@@ -765,8 +765,15 @@ class MessageCreateView(SuccessMessageMixin, CreateView):
     def get_form_kwargs(self):
         kwargs = super().get_form_kwargs()
         kwargs["event"] = self.event
+        if self.request.user.is_authenticated:
+            kwargs["internal"] = True
         return kwargs
 
+    def form_valid(self, form):
+        form.instance.user = self.request.user
+        return super().form_valid(form)
+
+
     def get_initial(self):
         result = super().get_initial()
         if "pk" in self.kwargs: