diff --git a/news/SUP-48846.feature b/news/SUP-48846.feature
new file mode 100644
index 000000000..599887916
--- /dev/null
+++ b/news/SUP-48846.feature
@@ -0,0 +1,2 @@
+Change `Applicant` and `Corporation` vocabulary for `persons_titles` to filter singular term
+[jchandelle]
\ No newline at end of file
diff --git a/src/Products/urban/Applicant.py b/src/Products/urban/Applicant.py
index 72c6549fb..a1f0d5b21 100644
--- a/src/Products/urban/Applicant.py
+++ b/src/Products/urban/Applicant.py
@@ -21,6 +21,7 @@
 from Products.MasterSelectWidget.MasterBooleanWidget import MasterBooleanWidget
 from Products.urban.Contact import Contact
 from Products.urban.config import *
+from Products.urban.UrbanVocabularyTerm import UrbanVocabulary
 from Products.urban.widget.select2widget import MultiSelect2Widget
 from plone import api
 from zope.interface import implements
@@ -375,7 +376,12 @@ def finalizeSchema(schema, folderish=False, moveDiscussion=True):
     """
     schema.moveField("representedBySociety", after="society")
     schema.moveField("isSameAddressAsWorks", after="representedBySociety")
-
+    schema["personTitle"].vocabulary = UrbanVocabulary(
+        "persons_titles",
+        vocType="PersonTitleTerm",
+        inUrbanConfig=False,
+        _filter=lambda title: title["multiplicity"] == "single",
+    )
 
 finalizeSchema(Applicant_schema)
 ##/code-section module-footer
diff --git a/src/Products/urban/Corporation.py b/src/Products/urban/Corporation.py
index bcc3be582..0c3883c1c 100644
--- a/src/Products/urban/Corporation.py
+++ b/src/Products/urban/Corporation.py
@@ -79,7 +79,10 @@
                 i18n_domain="urban",
             ),
             vocabulary=UrbanVocabulary(
-                "persons_titles", vocType="PersonTitleTerm", inUrbanConfig=False
+                "persons_titles",
+                vocType="PersonTitleTerm",
+                inUrbanConfig=False,
+                _filter=lambda title: title["multiplicity"] == "single"
             ),
         ),
         StringField(