diff --git a/src/registrar/admin.py b/src/registrar/admin.py
index 2f9bc97c5..b25014fcf 100644
--- a/src/registrar/admin.py
+++ b/src/registrar/admin.py
@@ -455,6 +455,8 @@ class DomainInformationAdmin(ListHeaderAdmin):
         "is_policy_acknowledged",
     ]
 
+    filter_horizontal = ('other_contacts',)
+
     def get_readonly_fields(self, request, obj=None):
         """Set the read-only state on form elements.
         We have 1 conditions that determine which fields are read-only:
@@ -591,6 +593,15 @@ class DomainApplicationAdmin(ListHeaderAdmin):
         "is_policy_acknowledged",
     ]
 
+    filter_horizontal = ('current_websites', 'alternative_domains')
+
+    # lists in filter_horizontal are not sorted properly, sort them
+    # by website
+    def formfield_for_manytomany(self, db_field, request, **kwargs):
+        if db_field.name in ("current_websites", "alternative_domains"):
+            kwargs["queryset"] = models.Website.objects.all().order_by('website')  # Sort websites
+        return super().formfield_for_manytomany(db_field, request, **kwargs)
+
     # Trigger action when a fieldset is changed
     def save_model(self, request, obj, form, change):
         if obj and obj.creator.status != models.User.RESTRICTED:
@@ -749,7 +760,7 @@ class DomainAdmin(ListHeaderAdmin):
     change_form_template = "django/admin/domain_change_form.html"
     change_list_template = "django/admin/domain_change_list.html"
     readonly_fields = ["state", "expiration_date"]
-
+    
     def export_data_type(self, request):
         # match the CSV example with all the fields
         response = HttpResponse(content_type="text/csv")