William Mackinnon

• Bill McKinnon
• Bill McKinnon (public servant)
• Billy MacKinnon
• Ice hockey at the 2016 Winter Youth Olympics
• Sir William Mackinnon, 1st Baronet
• Vermont Catamounts men's ice hockey
• William Alexander Mackinnon (British Army officer)
• William Alexander Mackinnon (Dunwich MP)
• William Alexander Mackinnon (Lymington MP)
• William Henry Mackinnon
• William McKinnon
• William P. MacKinnon
• William S. McKinnon