diff --git a/Lib/turtle.py b/Lib/turtle.py
--- a/Lib/turtle.py
+++ b/Lib/turtle.py
@@ -114,6 +114,7 @@
 from os.path import isfile, split, join
 from copy import deepcopy
 from tkinter import simpledialog
+import sys
 
 _tg_classes = ['ScrolledCanvas', 'TurtleScreen', 'Screen',
                'RawTurtle', 'Turtle', 'RawPen', 'Pen', 'Shape', 'Vec2D']
@@ -994,6 +995,13 @@
         self._keys = []
         self.clear()
 
+        if sys.platform == 'darwin':
+            # Force Turtle window to the front on OSX. This is needed
+            # because the Turtle window will show behind the Terminal
+            # window when you show the turtle window from the command-line.
+            cv._rootwindow.call('wm', 'attributes', '.', '-topmost', '1')
+            cv._rootwindow.call('wm', 'attributes', '.', '-topmost', '0')
+
     def clear(self):
         """Delete all drawings and all turtles from the TurtleScreen.