Peter B. Ryan (June 10, 1940 in Philadelphia, Pennsylvania, United States – July 2, 1962 in Paris, France) was an American-born Canadian racecar driver from Mont-Tremblant, Quebec. He had a short Formula One career. He participated in one Grand Prix, the 1961 United States Grand Prix at Watkins Glen, finishing ninth. He scored no championship points. However, he became the first Canadian ever to take part in a Formula One Grand Prix.