--- src/PIL/ImageQt.py
+++ src/PIL/ImageQt.py
@@ -36,6 +36,8 @@ qt_version: str | None
 qt_versions = [
     ["6", "PyQt6"],
     ["side6", "PySide6"],
+    ["5", "PyQt5"],
+    ["side2", "PySide2"],
 ]
 
 # If a version has already been imported, attempt it first
@@ -53,6 +55,12 @@ for version, qt_module in qt_versions:
                 QIODevice,
             )
             from PySide6.QtGui import QImage, QPixmap, qRgba  # type: ignore[assignment]
+        elif qt_module == "PyQt5":
+            from PyQt5.QtCore import QBuffer, QByteArray, QIODevice
+            from PyQt5.QtGui import QImage, QPixmap, qRgba
+        elif qt_module == "PySide2":
+            from PySide2.QtCore import QBuffer, QByteArray, QIODevice
+            from PySide2.QtGui import QImage, QPixmap, qRgba
     except (ImportError, RuntimeError):
         continue
     qt_is_installed = True