diff --git a/app/scodoc/sco_dept.py b/app/scodoc/sco_dept.py
index 110a764c..010cb539 100644
--- a/app/scodoc/sco_dept.py
+++ b/app/scodoc/sco_dept.py
@@ -94,12 +94,13 @@ def index_html(showcodes=0, showsemtable=0):
             sem["groupicon"] = emptygroupicon
 
     # S'il n'y a pas d'utilisateurs dans la base, affiche message
-    if not sco_users.get_user_list(dept=g.scodoc_dept):
+    if not sco_users.get_users_count(dept=g.scodoc_dept):
         H.append(
             """<h2>Aucun utilisateur défini !</h2><p>Pour définir des utilisateurs
         <a href="Users">passez par la page Utilisateurs</a>.
         <br>
-        Définissez au moins un utilisateur avec le rôle AdminXXX (le responsable du département XXX).
+        Définissez au moins un utilisateur avec le rôle AdminXXX 
+        (le responsable du département XXX).
         </p>
         """
         )
diff --git a/app/scodoc/sco_users.py b/app/scodoc/sco_users.py
index 72168b83..63ae2aae 100644
--- a/app/scodoc/sco_users.py
+++ b/app/scodoc/sco_users.py
@@ -37,7 +37,7 @@ from flask_login import current_user
 
 from app import db, Departement
 
-from app.auth.models import Permission, User
+from app.auth.models import Permission, Role, User, UserRole
 from app.models import ScoDocSiteConfig, USERNAME_STR_LEN
 from app.scodoc import html_sco_header
 from app.scodoc import sco_preferences
@@ -47,7 +47,9 @@ from app import cache
 from app.scodoc.sco_exceptions import ScoValueError
 
 
-def index_html(all_depts=False, with_inactives=False, format="html"):
+def index_html(
+    all_depts=False, having_role_name: str = "", with_inactives=False, fmt="html"
+):
     "gestion utilisateurs..."
     all_depts = int(all_depts)
     with_inactives = int(with_inactives)
@@ -80,25 +82,47 @@ def index_html(all_depts=False, with_inactives=False, format="html"):
         olds_checked = "checked"
     else:
         olds_checked = ""
+
+    menu_roles = "\n".join(
+        f"""<option value="{r.name}" {
+            'selected' if having_role_name == r.name else ''
+        }>{r.name}</option>"""
+        for r in Role.query.order_by(Role.name)
+    )
     H.append(
-        f"""<p><form name="f" action="{request.base_url}" method="get">
+        f"""
+    <form name="f" action="{request.base_url}" method="get">
     <input type="checkbox" name="all_depts" value="1" onchange="document.f.submit();"
     {checked}>Tous les départements</input>
     <input type="checkbox" name="with_inactives" value="1" onchange="document.f.submit();"
     {olds_checked}>Avec anciens utilisateurs</input>
-    </form></p>"""
-    )
 
-    L = list_users(
+    <label for="having_role_name" style="margin-left:16px;">Filtrer par rôle:</label>
+    <select id="having_role_name" name="having_role_name" onchange="document.f.submit();">
+        <option value="">--Choisir--</option>
+        {menu_roles}
+    </select>
+    
+    </form>
+    """
+    )
+    if having_role_name:
+        having_role: Role = Role.query.filter_by(name=having_role_name).first()
+        if not having_role:
+            raise ScoValueError("nom de rôle invalide")
+    else:
+        having_role = None
+    content = list_users(
         g.scodoc_dept,
         all_depts=all_depts,
+        fmt=fmt,
+        having_role=having_role,
         with_inactives=with_inactives,
-        format=format,
         with_links=current_user.has_permission(Permission.ScoUsersAdmin, g.scodoc_dept),
     )
-    if format != "html":
-        return L
-    H.append(L)
+    if fmt != "html":
+        return content
+    H.append(content)
 
     F = html_sco_header.sco_footer()
     return "\n".join(H) + F
@@ -107,22 +131,30 @@ def index_html(all_depts=False, with_inactives=False, format="html"):
 def list_users(
     dept,
     all_depts=False,  # tous les departements
-    with_inactives=False,  # inclut les anciens utilisateurs (status "old")
-    format="html",
+    fmt="html",
+    having_role: Role = None,
+    with_inactives=False,
     with_links=True,
 ):
-    "List users, returns a table in the specified format"
+    """List users, returns a table in the specified format.
+    Si with_inactives, inclut les anciens utilisateurs (status "old").
+    Si having_role, ne liste que les utilisateurs ayant ce rôle.
+    """
     from app.scodoc.sco_permissions_check import can_handle_passwd
 
     if dept and not all_depts:
-        users = get_user_list(dept=dept, with_inactives=with_inactives)
+        users = get_user_list(
+            dept=dept, having_role=having_role, with_inactives=with_inactives
+        )
         comm = f"dept. {dept}"
     else:
-        users = get_user_list(with_inactives=with_inactives)
+        users = get_user_list(having_role=having_role, with_inactives=with_inactives)
         comm = "tous"
     if with_inactives:
         comm += ", avec anciens"
     comm = "(" + comm + ")"
+    if having_role:
+        comm += f" avec le rôle {having_role.name}"
     # -- Add some information and links:
     rows = []
     for u in users:
@@ -208,10 +240,21 @@ def list_users(
         preferences=sco_preferences.SemPreferences(),
     )
 
-    return tab.make_page(format=format, with_html_headers=False)
+    return tab.make_page(format=fmt, with_html_headers=False)
 
 
-def get_user_list(dept=None, with_inactives=False):
+def get_users_count(dept=None) -> int:
+    """Nombre de comptes utilisateurs, tout état confondu, dans ce dept
+    (ou dans tous si None)"""
+    q = User.query
+    if dept is not None:
+        q = q.filter_by(dept=dept)
+    return q.count()
+
+
+def get_user_list(
+    dept=None, with_inactives=False, having_role: Role = None
+) -> list[User]:
     """Returns list of users.
     If dept, select users from this dept,
     else return all users.
@@ -222,6 +265,8 @@ def get_user_list(dept=None, with_inactives=False):
         q = q.filter_by(dept=dept)
     if not with_inactives:
         q = q.filter_by(active=True)
+    if having_role:
+        q = q.join(UserRole).filter_by(role_id=having_role.id)
     return q.order_by(User.nom, User.user_name).all()
 
 
diff --git a/app/views/users.py b/app/views/users.py
index 6b179532..6f60b090 100644
--- a/app/views/users.py
+++ b/app/views/users.py
@@ -133,12 +133,15 @@ class Mode(IntEnum):
 @scodoc
 @permission_required(Permission.ScoUsersView)
 @scodoc7func
-def index_html(all_depts=False, with_inactives=False, format="html"):
+def index_html(
+    all_depts=False, having_role_name: str = "", with_inactives=False, fmt="html"
+):
     "Page accueil utilisateur: tableau avec liste des comptes"
     return sco_users.index_html(
         all_depts=all_depts,
+        having_role_name=having_role_name,
         with_inactives=with_inactives,
-        format=format,
+        fmt=fmt,
     )