John Cotter
John Cotter may refer to:
- Mick Cotter, John Francis "Mick" Cotter,, Australian politician
- John L. Cotter, American archaeologist
- John P. Cotter, Justice of the Connecticut Supreme Court
- John Cotter of Coppingerstown, member of Irish Cotter family
- John Cotter, fictional character in TV series Fashion House
- John Cotter, Australian racing driver and co-owner of M3 Motorsport