Robert John McCormick (August 10, 1848 – October 13, 1919) was an Ontario farmer and political figure.
He represented Lambton East in the Legislative Assembly of Ontario from 1908 to 1914 as a Liberal member.
He was born in County Armagh, Ireland, the son of Joseph McCormick who was of Scottish descent, and came to Warwick Township, Canada East in 1862.
McCormick served on the council for Warwick, was reeve from 1891 to 1894 and warden for Lambton County in 1892.
This article about an Ontario Liberal Party MPP is a stub.