Robert Lemieux (born December 16, 1944) is a retired professional ice hockey defenceman who played in the National Hockey League for the Oakland Seals. He started out in the Montreal Canadiens organization but was unable to crack their strong lineup. He was claimed by the Seals in the 1967 NHL Expansion Draft. Lemieux played in only 19 games for them, scoring one assist. He then joined the Vancouver Canucks for three seasons, retiring in 1970. He then became a coach for the Fort Worth Wings from 1970–73, the Virginia Wings in 1973-74, and the Kalamazoo Wings from 1976-78.