Douglas Robert Halward (born November 1, 1955) is a Canadian former professional ice hockey defenceman who played 663 games in the National Hockey League (NHL) for the Boston Bruins, Los Angeles Kings, Vancouver Canucks, Detroit Red Wings and Edmonton Oilers.

He helped the Bruins reach the 1977 Stanley Cup Finals and the Canucks reach the 1982 Stanley Cup Finals.

He played junior hockey for the Peterborough Petes.

As a youth, he played in the 1968 Quebec International Pee-Wee Hockey Tournament with the Toronto Young Nationals minor ice hockey team.

This biographical article relating to a Canadian ice hockey defenceman born in the 1950s is a stub.