Sir Matthew Crooks Cameron, QC (2 October 1822 – 25 June 1887) was a politician in Ontario, Canada.

Cameron later articled in law, was called to the bar in 1849 and entered practice with William Henry Boulton in Toronto, Ontario.

He was defeated in 1863 but was elected in an 1864 by-election when the incumbent, William McDougall, was forced to run for re-election after he was named to the executive council.

[1] Cameron entered the Cabinet of Premier John Sandfield Macdonald in 1867 as Provincial Secretary and Registrar of Ontario.

With the defeat of the Macdonald government in the provincial election that December, Cameron became leader of the Ontario Conservative Party, but stepped down in 1878 to accept the appointment of Chief Justice of the Court of Common Pleas.