diff --git a/la_chariotte/order/templates/order/grouped_order_overview.html b/la_chariotte/order/templates/order/grouped_order_overview.html
index 836aa55..320267a 100644
--- a/la_chariotte/order/templates/order/grouped_order_overview.html
+++ b/la_chariotte/order/templates/order/grouped_order_overview.html
@@ -157,7 +157,14 @@
             <button class="button is-info is-small js-modal-trigger" data-target="order-detail-{{ order.id }}">
             Voir
             </button>
-          {% if order.note %}<i class="fa fa-comment ml-3" title="{{ order.note }}" aria-hidden="true"></i>{% endif %}
+            {% if order.note %}
+              <i class="fa fa-comment ml-3 mr-2" title="{{ order.note }}" aria-hidden="true"></i>
+            {% else %}
+              <span class="ml-5 mr-4"></span>
+            {% endif %}
+            <button class="button is-light is-small js-modal-trigger" data-target="confirm-delete-{{ order.id }}">
+              Supprimer
+            </button>
           </td>
         </tr>
 
@@ -193,6 +200,48 @@
             </footer>
           </div>
         </div>
+
+        <!-- Confirm delete order modal -->
+        <div id="confirm-delete-{{ order.id }}" class="modal">
+          <div class="modal-background"></div>
+          <div class="modal-card ">
+            <header class="modal-card-head">
+              <div class="modal-card-title-container">
+                <p class="modal-card-title">Supprimer la commande de {{ order.author }} ?</p>
+              </div>
+            </header>
+            <section class="modal-card-body">
+              <div class="columns">
+                <div class="column">
+                  {% for item in order.ordered_items.all %}
+                  {{ item.nb }} x {{ item.item.name }}
+                  <hr class="mb-0 mt-1">
+                  {% endfor %}
+                </div>
+                {% if order.note %}
+                <div class="column is-4">
+                  <p class="mini-title">Note à l'organisateur·ice</p>
+                  <p>{{ order.note }}</p>
+                </div>
+              </div>
+              {% endif %}
+            </section>
+            <footer class="modal-card-foot">
+              <div class="columns">
+                <div class="column is-8">
+                  <p class="mini-title">Total à payer</p>
+                  <p>{{ order.price }} €</p>
+                </div>
+                <div class="column">
+                  <form action="{% url 'order:order_delete' grouped_order.id order.id %}" method="post">
+                    {% csrf_token %}
+                    <input type="submit" name="{{ item.id }}" value="Oui" class="button is-danger"/>
+                    <a class="button is-light" aria-label="close">Non</a>
+                  </form>
+                </div>
+            </footer>
+          </div>
+        </div>
         {% endfor %}
 
       </tbody>
diff --git a/la_chariotte/order/tests/test_views.py b/la_chariotte/order/tests/test_views.py
index 44b927f..0f41260 100644
--- a/la_chariotte/order/tests/test_views.py
+++ b/la_chariotte/order/tests/test_views.py
@@ -1027,6 +1027,44 @@ class TestOrder:
         assert item2.ordered_nb == 0
         assert order.ordered_items.count() == 1
 
+    def test_delete_order(self, client_log):
+        """The orga user deletes an order. The grouped order is updated"""
+        grouped_order = create_grouped_order(
+            days_before_delivery_date=5,
+            days_before_deadline=2,
+            name="gr order test",
+            orga_user=auth.get_user(client_log),
+        )
+        order = order_items_in_grouped_order(grouped_order)
+        author = order.author
+        order_price = order.price
+        item = order.ordered_items.first().item
+        assert (
+            models.OrderedItem.objects.all().count() == 4
+        )  # 4 orderedItem, 2 are in the order 'order'
+        assert grouped_order.order_set.all().count() == 3
+        assert grouped_order.total_price == 35
+        assert item.ordered_nb == 4
+        delete_url = reverse(
+            "order:order_delete",
+            kwargs={"grouped_order_id": grouped_order.id, "pk": order.id},
+        )
+        response = client_log.post(delete_url)
+        assert response.status_code == 302
+        assert response.url == reverse(
+            "order:grouped_order_overview",
+            kwargs={
+                "pk": grouped_order.pk,
+            },
+        )
+        client_log.get(response.url)
+        grouped_order.refresh_from_db()
+        item.refresh_from_db()
+        assert models.OrderedItem.objects.all().count() == 2
+        assert grouped_order.order_set.all().count() == 2
+        assert grouped_order.total_price == 35 - order_price
+        assert item.ordered_nb == 1
+
 
 class TestGroupedOrderCreateView:
     def test_create_grouped_order(self, client_log):
diff --git a/la_chariotte/order/urls.py b/la_chariotte/order/urls.py
index c3b73b7..44c6971 100644
--- a/la_chariotte/order/urls.py
+++ b/la_chariotte/order/urls.py
@@ -19,6 +19,11 @@ urlpatterns = [
         views.OrderDetailView.as_view(),
         name="order_confirm",
     ),
+    path(
+        "<int:grouped_order_id>/gerer/<int:pk>/supprimer",
+        views.OrderDeleteView.as_view(),
+        name="order_delete",
+    ),
     path("creer", views.GroupedOrderCreateView.as_view(), name="create_grouped_order"),
     path(
         "<int:pk>/gerer-produits",
diff --git a/la_chariotte/order/views/__init__.py b/la_chariotte/order/views/__init__.py
index 6b7883d..482d6b8 100644
--- a/la_chariotte/order/views/__init__.py
+++ b/la_chariotte/order/views/__init__.py
@@ -7,6 +7,6 @@ from .grouped_order import (DownloadGroupedOrderSheetView,
                             GroupedOrderSheetView, GroupedOrderUpdateView,
                             IndexView)
 from .item import ItemCreateView, ItemDeleteView
-from .order import OrderDetailView, order
+from .order import OrderDeleteView, OrderDetailView, order
 
 # fmt: on
diff --git a/la_chariotte/order/views/grouped_order.py b/la_chariotte/order/views/grouped_order.py
index c87076e..e121b8c 100644
--- a/la_chariotte/order/views/grouped_order.py
+++ b/la_chariotte/order/views/grouped_order.py
@@ -98,6 +98,7 @@ class GroupedOrderOverview(UserPassesTestMixin, generic.DetailView):
     def get(self, request, *args, **kwargs):
         # Compute grouped order total price before display
         self.get_object().compute_total_price()
+        self.get_object().compute_items_ordered_nb()
         return super().get(self, request, *args, **kwargs)
 
     def get_context_data(self, **kwargs):
diff --git a/la_chariotte/order/views/order.py b/la_chariotte/order/views/order.py
index 86a3d5e..5debfda 100644
--- a/la_chariotte/order/views/order.py
+++ b/la_chariotte/order/views/order.py
@@ -1,6 +1,7 @@
 from django import http
+from django.contrib.auth.mixins import UserPassesTestMixin
 from django.shortcuts import get_object_or_404, render
-from django.urls import reverse
+from django.urls import reverse, reverse_lazy
 from django.views import generic
 
 from ..models import GroupedOrder, Order, OrderAuthor, OrderedItem
@@ -127,3 +128,18 @@ class OrderDetailView(generic.DetailView):
     """Confirmation page after a user orders"""
 
     model = Order
+
+
+class OrderDeleteView(UserPassesTestMixin, generic.DeleteView):
+    """DeleteView for an order"""
+
+    model = Order
+
+    def get_success_url(self):
+        return reverse_lazy(
+            "order:grouped_order_overview", args=[self.object.grouped_order.id]
+        )
+
+    def test_func(self):
+        """Accessible only if the requesting user is the grouped order organizer"""
+        return self.get_object().grouped_order.orga == self.request.user