diff --git a/autotest/ogr/ogr_pgeo.py b/autotest/ogr/ogr_pgeo.py
index 66f4a3f39aed..8cdb442ba6d6 100755
--- a/autotest/ogr/ogr_pgeo.py
+++ b/autotest/ogr/ogr_pgeo.py
@@ -30,6 +30,7 @@
 ###############################################################################
 
 import os
+import shutil
 import sys
 
 import gdaltest
@@ -977,3 +978,14 @@ def test_ogr_openfilegdb_read_relationships():
     assert rel.GetForwardPathLabel() == "attachment"
     assert rel.GetBackwardPathLabel() == "object"
     assert rel.GetRelatedTableType() == "media"
+
+
+def test_ogr_pgeo_non_ascii(tmp_path):
+
+    non_ascii_filename = str(tmp_path / "éé.mdb")
+    shutil.copy("data/pgeo/sample.mdb", non_ascii_filename)
+
+    pgeo_ds = ogr.Open(non_ascii_filename)
+    assert pgeo_ds is not None
+
+    assert pgeo_ds.GetLayerCount() == 4
diff --git a/port/cpl_odbc.cpp b/port/cpl_odbc.cpp
index 7996994807ed..f354ab592021 100644
--- a/port/cpl_odbc.cpp
+++ b/port/cpl_odbc.cpp
@@ -717,6 +717,16 @@ int CPLODBCSession::EstablishSession(const char *pszDSN, const char *pszUserid,
     if (pszPassword == nullptr)
         pszPassword = "";
 
+    std::string osDSN(pszDSN);
+#if defined(_WIN32) && !defined(NETCDF_USES_UTF8)
+    if (CPLTestBool(CPLGetConfigOption("GDAL_FILENAME_IS_UTF8", "YES")))
+    {
+        char *pszTemp = CPLRecode(pszDSN, CPL_ENC_UTF8, "CP_ACP");
+        osDSN = pszTemp;
+        CPLFree(pszTemp);
+    }
+#endif
+
     bool bFailed = false;
     if (strstr(pszDSN, "=") != nullptr)
     {
@@ -726,7 +736,7 @@ int CPLODBCSession::EstablishSession(const char *pszDSN, const char *pszUserid,
 
         bFailed = CPL_TO_BOOL(Failed(SQLDriverConnect(
             m_hDBC, nullptr,
-            reinterpret_cast<SQLCHAR *>(const_cast<char *>(pszDSN)),
+            reinterpret_cast<SQLCHAR *>(const_cast<char *>(osDSN.c_str())),
             static_cast<SQLSMALLINT>(strlen(pszDSN)), szOutConnString,
             sizeof(szOutConnString), &nOutConnStringLen, SQL_DRIVER_NOPROMPT)));
     }
@@ -734,7 +744,8 @@ int CPLODBCSession::EstablishSession(const char *pszDSN, const char *pszUserid,
     {
         CPLDebug("ODBC", "SQLConnect(%s)", pszDSN);
         bFailed = CPL_TO_BOOL(Failed(SQLConnect(
-            m_hDBC, reinterpret_cast<SQLCHAR *>(const_cast<char *>(pszDSN)),
+            m_hDBC,
+            reinterpret_cast<SQLCHAR *>(const_cast<char *>(osDSN.c_str())),
             SQL_NTS, reinterpret_cast<SQLCHAR *>(const_cast<char *>(pszUserid)),
             SQL_NTS,
             reinterpret_cast<SQLCHAR *>(const_cast<char *>(pszPassword)),