Douglas Alistair Gordon Pirie was an English long-distance runner. He competed in the 5000 m and 10,000 m events at the 1952, 1956 and 1960 Olympics and won a silver medal in the 5000 m in 1956, placing fourth in 1952. Born in Leeds, Pirie grew up in Coulsdon, Surrey, and ran for the South London Harriers. He died of cholangiocarcinoma in Lymington, Hampshire.