Peter Robertson may refer to: Peter Robertson (triathlete) (born 1976), Olympic triathlete from Australia Peter Robertson (politician), Canadian politician Peter Robertson (footballer) (1875–1929), Scottish professional footballer who played as a half back Peter Robertson (golfer) (c. 1883–?), Scottish professional golfer Pete Robertson (born 1992), American football linebacker P. L. Robertson (Peter Lymburner Robertson, 1879–1951), Canadian inventor