diff --git a/src/Controller/ActivityController.php b/src/Controller/ActivityController.php
index 1a3e51b..92b3154 100644
--- a/src/Controller/ActivityController.php
+++ b/src/Controller/ActivityController.php
@@ -5,6 +5,7 @@
 use Symfony\Component\HttpFoundation\Response;
 use App\Repository\ActivityRepository;
 use App\Entity\ActivityEntity;
+use App\Form\Activity\ActivityAddForm;
 use App\Form\Activity\ActivityDeleteForm;
 
 /**
@@ -26,6 +27,29 @@
         /** @var ActivityRepository $actorRepository */
         $activityRepository = $entityManager->getRepository(ActivityEntity::class);
 
+        // Activity add form
+        /** @var ActivityAddForm $activityAddForm */
+        $activityAddForm = $this->createNamedCustomForm('activityAdd', ActivityAddForm::class);
+        $activityAddForm->handleRequest($request);
+        if ($activityAddForm->isSubmitted() && $activityAddForm->isValid()) {
+            $errors = $activityAddForm->validate();
+            if (empty($errors)) {
+                $activity = $activityAddForm->getActivity();
+                $entityManager->persist($activity);
+                $entityManager->flush();
+                return $this->ajaxFormAnswer([
+                    'message' => 'Activité ajoutée',
+                    'refresh' => true,
+                    'reset' => true,
+                ]);
+            } else {
+                return $this->ajaxFormAnswer([
+                    'error' => join('<br/>', $errors),
+                    'code' => Response::HTTP_BAD_REQUEST,
+                ]);
+            }
+        }
+
         // Activity delete form
         /** @var ActivityDeleteForm $activityDeleteForm */
         $activityDeleteForm = $this->createNamedCustomForm('activityDelete', ActivityDeleteForm::class);
@@ -60,6 +84,7 @@
         return $this->render('activity/activities.html.twig', [
             'activities' => $activities,
             'activityDeleteForm' => $activityDeleteForm,
+            'activityAddForm' => $activityAddForm,
         ]);
     }
 }
\ No newline at end of file
diff --git a/src/Entity/ActivityEntity.php b/src/Entity/ActivityEntity.php
index 66a4b70..2bff420 100644
--- a/src/Entity/ActivityEntity.php
+++ b/src/Entity/ActivityEntity.php
@@ -185,6 +185,8 @@
     public function setRealEndDate(?DateTime $realEndDate): self
     {
         $this->realEndDate = $realEndDate;
+        
+        return $this;
     }
 
     /**
diff --git a/src/Form/Activity/ActivityAddForm.php b/src/Form/Activity/ActivityAddForm.php
new file mode 100644
index 0000000..65e9ddd
--- /dev/null
+++ b/src/Form/Activity/ActivityAddForm.php
@@ -0,0 +1,72 @@
+<?php
+namespace App\Form\Activity;
+
+use App\Entity\ActivityEntity;
+use App\Form\AbstractFormManager;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\Extension\Core\Type\SubmitType;
+use Symfony\Bridge\Doctrine\Form\Type\EntityType;
+use App\Entity\ActorEntity;
+use Symfony\Component\Form\Extension\Core\Type\DateType;
+
+class ActivityAddForm extends AbstractFormManager
+{
+
+    /**
+     * Get the activity entity
+     *
+     * @return ActivityEntity|null
+     */
+    public function getActivity(): ?ActivityEntity
+    {
+        $data = $this->form->getData();
+        $activity = new activityEntity();
+        $activity->generateId();
+        $activity->setName($data['name']);
+        $activity->setStartDate($data['startDate']);
+        $activity->setEndDate($data['endDate']);
+        $activity->setRealStartDate($data['realStartDate']);
+        $activity->setRealEndDate($data['realEndDate']);
+        $activity->setActor($data['actor']);
+
+        return $activity;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getTemplate(): string
+    {
+        return '_includes/html/form/activity/add.html.twig';
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    protected function addFields($formBuilder, $options): void
+    {
+        $formBuilder->add('name', TextType::class)
+            ->add('actor', EntityType::class, [
+            'class' => ActorEntity::class,
+            'choice_label' => 'displayName',
+            'required' => false,
+        ])
+            ->add('startDate', DateType::class, [
+            'required' => false,
+            'widget' => 'single_text',
+        ])
+            ->add('endDate', DateType::class, [
+            'required' => false,
+            'widget' => 'single_text',
+        ])
+            ->add('realStartDate', DateType::class, [
+            'required' => false,
+            'widget' => 'single_text',
+        ])
+            ->add('realEndDate', DateType::class, [
+            'required' => false,
+            'widget' => 'single_text',
+        ])
+            ->add('submit', SubmitType::class);
+    }
+}
\ No newline at end of file
diff --git a/templates/_includes/html/form/activity/add.html.twig b/templates/_includes/html/form/activity/add.html.twig
new file mode 100644
index 0000000..0276819
--- /dev/null
+++ b/templates/_includes/html/form/activity/add.html.twig
@@ -0,0 +1,33 @@
+{{ form_start(form, {attr: {class: 'ajax-form'}}) }}
+<div class="row">
+	<div class="col-4">
+		{{ form_label(form.name, 'Nom', {label_attr: {class: 'input-text-label'}}) }}
+		{{ form_widget(form.name, {attr: {class: 'w-100'}}) }}
+	</div>
+	<div class="col-4">
+		{{ form_label(form.startDate, 'Début planifié') }}
+		{{ form_widget(form.startDate, {attr: {class: 'w-100'}}) }}
+	</div>
+	<div class="col-4">
+		{{ form_label(form.realStartDate, 'Fin planifié') }}
+		{{ form_widget(form.realStartDate, {attr: {class: 'w-100'}}) }}
+	</div>
+</div>
+<div class="row">
+	<div class="col-4">
+		{{ form_label(form.actor, 'Acteur') }}
+		{{ form_widget(form.actor, {attr: {class: 'w-100'}}) }}
+	</div>
+	<div class="col-4">
+		{{ form_label(form.endDate, 'Début réel') }}
+		{{ form_widget(form.endDate, {attr: {class: 'w-100'}}) }}
+	</div>
+	<div class="col-4">
+		{{ form_label(form.realEndDate, 'Fin réelle') }}
+		{{ form_widget(form.realEndDate, {attr: {class: 'w-100'}}) }}
+	</div>
+</div>
+{{ form_widget(form.submit, {attr: {class: 'w-100'}, label: 'Nouvelle activité'}) }}
+<p class="form-error"></p>
+<p class="form-message"></p>
+{{ form_end(form) }}
\ No newline at end of file
diff --git a/templates/activity/activities.html.twig b/templates/activity/activities.html.twig
index 316b262..5eb181c 100644
--- a/templates/activity/activities.html.twig
+++ b/templates/activity/activities.html.twig
@@ -13,4 +13,14 @@
 		</div>
 	</div>
 </div>
+<div class="col-12">
+	<div class="card">
+		<div class="card-header">
+			<h2>Nouvelle activité</h2>
+		</div>
+		<div class="card-body">
+			{% include '_includes/html/genericForm.html.twig' with {form: activityAddForm} only %}
+		</div>
+	</div>
+</div>
 {% endblock %}
\ No newline at end of file