Becky Kellar-Duke, Canadian ice hockey player
Rebecca "Becky" Kellar (born January 1, 1975) is a women's ice hockey player. She played for Burlington Barracudas in the Canadian Women's Hockey League.

Kellar played defence for the Canadian women's team at the 2006 Winter Olympics in Turin. She also participated in the 1998 Winter Olympics in Nagano as well as the 2002 Winter Olympics in Salt Lake City. She was named to the Canadian team for the 2010 Winter Olympics and was one of four Canadian women to participate in all four Olympic tournaments along with Hayley Wickenheiser, Jennifer Botterill and Jayna Hefford. Kellar was the oldest player in the 2010 gold medal game. She was the first player on the Canadian national women's hockey team to have children.