Peter James Peterson (born February 22, 1953) is a Canadian businessman and politician. Peterson was a Member of Parliament for the riding of Hamilton West, representing the Progressive Conservative Party of Canada.
A stockbroker by profession, Peterson was elected in the 1984 Canadian federal election, defeating incumbent Liberal MP Stanley Hudecki. In the 33rd Canadian Parliament, he served as a backbench supporter of Brian Mulroney's government. He lost to Liberal challenger Stan Keyes in the 1988 election. He challenged Keyes again unsuccessfully in 1993.