Robbie Buchanan (born 1957) is a Canadian keyboardist, songwriter, arranger, and producer.

Buchanan began playing the piano at the age of 6. He acquired his first paying gig as a pianist at the age of 12 playing 6 nights a week in Dawson City, Yukon Territory. While still a teenager, Buchanan joined a band called Soul Unlimited, at the suggestion of friend Tom Baird. In the years that followed, Buchanan eventually moved to Los Angeles, California to write music with Carl Graves.