Albert "Al" Langlois (born November 6, 1934 in Magog, Quebec) is a retired Canadian ice hockey defenceman. Langlois started his National Hockey League career with the Montreal Canadiens in 1958 and ended in 1966 with the Boston Bruins. He was the last Bruin to wear #4 before Bobby Orr made the number famous. He also played with the New York Rangers and Detroit Red Wings. During his time with Montreal, Langlois won two Stanley Cups - 1958-59 and 1959-60. He played junior hockey with the Quebec Citadelles and the Quebec Frontenacs of the Quebec Junior Hockey League from 1952-55.