Bob Westerby (born October 29, 1975) is a retired Canadian professional ice hockey left winger. Westerby played three seasons of major junior hockey in the Western Hockey League with the Kamloops Blazers. He was selected by the Buffalo Sabres in the 8th round (199th overall) of the 1994 NHL Entry Draft, and he began his professional career during the 1995–96 season playing in the American Hockey League with the Rochester Americans.