Charles Robert Harrison (July 3, 1868 – February 7, 1946) was a Canadian politician.
He represented the riding of Nipissing in the House of Commons of Canada from 1917 to 1921.
Harrison, who was born in Frodingham, Lincolnshire, England, was a train conductor before entering politics.
He served only a single term, and was defeated by Edmond Lapierre in the 1921 election.
He subsequently served a term in the Legislative Assembly of Ontario, representing the provincial electoral district of Nipissing from 1930 to 1934 as a member of the Conservatives.