John Inglis McLaren (September 2, 1865 – December 8, 1948) was mayor of Hamilton, Ontario from 1909 to 1910.

John Inglis McLaren was born in Goderich, Canada West on September 2, 1865.

He married Bessie S. McClure in June 1892, and they had six children.

[1] McLaren was a principal organizer of the 91st Canadian Highlanders (now designated The Argyll and Sutherland Highlanders of Canada (Princess Louise's)), and became a lieutenant colonel on April 2, 1912.

[1] He led the unit in combat during World War I.