diff --git a/app/routers/referentiel.py b/app/routers/referentiel.py
index 68e99ae..d97fb8a 100644
--- a/app/routers/referentiel.py
+++ b/app/routers/referentiel.py
@@ -476,3 +476,55 @@ def dns_delete(request: Request, dns_id: int, db=Depends(get_db)):
     db.execute(text("DELETE FROM domain_ltd_list WHERE id = :id"), {"id": dns_id})
     db.commit()
     return RedirectResponse(url="/referentiel?tab=dns&msg=deleted", status_code=303)
+
+
+# =========================================================
+# SYNC iTop
+# =========================================================
+
+@router.post("/referentiel/itop/sync-from")
+def itop_sync_from(request: Request, db=Depends(get_db)):
+    """Importer serveurs et contacts depuis iTop"""
+    user = get_current_user(request)
+    if not user:
+        return RedirectResponse(url="/login")
+    perms = get_user_perms(db, user)
+    if not can_edit(perms, "settings"):
+        return RedirectResponse(url="/referentiel?tab=domains")
+
+    from ..services.secrets_service import get_secret
+    from ..services.itop_service import sync_from_itop
+    itop_url = get_secret(db, "itop_url")
+    itop_user = get_secret(db, "itop_user")
+    itop_pass = get_secret(db, "itop_pass")
+
+    if not itop_url or not itop_user:
+        return RedirectResponse(url="/referentiel?tab=domains&msg=itop_noconfig", status_code=303)
+
+    stats = sync_from_itop(db, itop_url, itop_user, itop_pass)
+    msg = f"itop_from_{stats['servers_created']}_{stats['servers_updated']}_{stats['contacts_created']}_{stats['contacts_updated']}"
+    return RedirectResponse(url=f"/referentiel?tab=domains&msg={msg}", status_code=303)
+
+
+@router.post("/referentiel/itop/sync-to")
+def itop_sync_to(request: Request, db=Depends(get_db)):
+    """Exporter serveurs PatchCenter vers iTop"""
+    user = get_current_user(request)
+    if not user:
+        return RedirectResponse(url="/login")
+    perms = get_user_perms(db, user)
+    if not can_edit(perms, "settings"):
+        return RedirectResponse(url="/referentiel?tab=domains")
+
+    from ..services.secrets_service import get_secret
+    from ..services.itop_service import sync_to_itop
+    itop_url = get_secret(db, "itop_url")
+    itop_user = get_secret(db, "itop_user")
+    itop_pass = get_secret(db, "itop_pass")
+
+    if not itop_url or not itop_user:
+        return RedirectResponse(url="/referentiel?tab=domains&msg=itop_noconfig", status_code=303)
+
+    stats = sync_to_itop(db, itop_url, itop_user, itop_pass)
+    msg = f"itop_to_{stats['updated']}"
+    return RedirectResponse(url=f"/referentiel?tab=domains&msg={msg}", status_code=303)
diff --git a/app/templates/referentiel.html b/app/templates/referentiel.html
index 3e694a4..74dc22b 100644
--- a/app/templates/referentiel.html
+++ b/app/templates/referentiel.html
@@ -48,6 +48,31 @@
 <!-- ONGLET DOMAINES -->
 <!-- ============================================================ -->
 {% if tab == 'domains' %}
+<!-- Sync iTop -->
+{% if can_modify %}
+<div class="card mb-4" style="padding:12px 16px; display:flex; align-items:center; gap:12px; flex-wrap:wrap;">
+    <span class="text-sm text-gray-400" style="margin-right:8px">Synchronisation iTop :</span>
+    <form method="POST" action="/referentiel/itop/sync-from" style="display:inline">
+        <button type="submit" class="btn-primary" style="padding:6px 16px;font-size:0.85rem"
+                onclick="this.disabled=true;this.textContent='Sync en cours...';this.form.submit()">
+            Importer depuis iTop
+        </button>
+    </form>
+    <form method="POST" action="/referentiel/itop/sync-to" style="display:inline">
+        <button type="submit" style="padding:6px 16px;font-size:0.85rem;background:#334155;color:#e2e8f0;border:1px solid #475569;border-radius:6px;cursor:pointer"
+                onclick="this.disabled=true;this.textContent='Export en cours...';this.form.submit()">
+            Exporter vers iTop
+        </button>
+    </form>
+    {% if 'itop_from' in request.query_params.get('msg','') %}
+    <span class="text-sm text-green-400">Import iTop OK</span>
+    {% elif 'itop_to' in request.query_params.get('msg','') %}
+    <span class="text-sm text-green-400">Export iTop OK</span>
+    {% elif request.query_params.get('msg') == 'itop_noconfig' %}
+    <span class="text-sm text-red-400">Configurer iTop dans Settings</span>
+    {% endif %}
+</div>
+{% endif %}
 <div class="card">
     <table class="table-cyber w-full">
         <thead><tr>