diff --git a/Lib/configparser.py b/Lib/configparser.py
index af5aca1..230ab2b 100644
--- a/Lib/configparser.py
+++ b/Lib/configparser.py
@@ -143,6 +143,7 @@
 import functools
 import io
 import itertools
+import os
 import re
 import sys
 import warnings
@@ -687,7 +688,7 @@
 
         Return list of successfully read files.
         """
-        if isinstance(filenames, str):
+        if isinstance(filenames, (str, os.PathLike)):
             filenames = [filenames]
         read_ok = []
         for filename in filenames:
@@ -696,6 +697,8 @@
                     self._read(fp, filename)
             except OSError:
                 continue
+            if isinstance(filename, os.PathLike):
+                filename = os.fspath(filename)
             read_ok.append(filename)
         return read_ok