diff --git a/changelog.d/3685.change.rst b/changelog.d/3685.change.rst
new file mode 100644
index 0000000000..839898d388
--- /dev/null
+++ b/changelog.d/3685.change.rst
@@ -0,0 +1 @@
+Fix improper usage of deprecated/removed ``pkgutil`` APIs in Python 3.12+.
diff --git a/pkg_resources/__init__.py b/pkg_resources/__init__.py
index bba775b908..676e34bded 100644
--- a/pkg_resources/__init__.py
+++ b/pkg_resources/__init__.py
@@ -2187,10 +2187,10 @@ def resolve_egg_link(path):
     return next(dist_groups, ())
 
 
-register_finder(pkgutil.ImpImporter, find_on_path)
+if hasattr(pkgutil, 'ImpImporter'):
+    register_finder(pkgutil.ImpImporter, find_on_path)
 
-if hasattr(importlib_machinery, 'FileFinder'):
-    register_finder(importlib_machinery.FileFinder, find_on_path)
+register_finder(importlib_machinery.FileFinder, find_on_path)
 
 _declare_state('dict', _namespace_handlers={})
 _declare_state('dict', _namespace_packages={})
@@ -2344,11 +2344,11 @@ def file_ns_handler(importer, path_item, packageName, module):
         return subpath
 
 
-register_namespace_handler(pkgutil.ImpImporter, file_ns_handler)
-register_namespace_handler(zipimport.zipimporter, file_ns_handler)
+if hasattr(pkgutil, 'ImpImporter'):
+    register_namespace_handler(pkgutil.ImpImporter, file_ns_handler)
 
-if hasattr(importlib_machinery, 'FileFinder'):
-    register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)
+register_namespace_handler(zipimport.zipimporter, file_ns_handler)
+register_namespace_handler(importlib_machinery.FileFinder, file_ns_handler)
 
 
 def null_ns_handler(importer, path_item, packageName, module):