John Mackenzie (21 September 1876 – 9 December 1949) was a Scottish sailor who competed for the Royal Clyde Yacht Club at the 1908 Summer Olympics.
John Mackenzie (21 September 1876 – 9 December 1949) was a Scottish mariner who competed for the Royal Clyde Yacht Club in the 1908 Summer Olympics, highlighting his involvement in sailing events.