Rebecca "Becky" Kellar (born January 1, 1975) is a women's ice hockey player.

Kellar played defence for the Canadian women's team at the 2006 Winter Olympics in Turin.

Kellar was born in Hagersville, Ontario, and played ringette as a child, before switching over to hockey.

She led Team Ontario to the Gold Medal and was selected as the Most Valuable Player.

[3] Kellar played with the Beatrice Aeros in 1998 and participated in the championship game of the Esso Nationals, netting an assist.