Bob Westerby (born October 29,1975 in Kelowna, British Columbia) is a retired Canadian left winger who played in the minor pros from 1995 to 2000.
He played junior hockey for the Kamloops Blazers from 1992 to 1995 and won two straight Memorial Cups in 1994 and 1995. The Buffalo Sabres picked him 199th overall in the 1994 NHL Entry Draft.
Westerby turned pro in 1995 with the Rochester Americans. From 1996 to 2000 he played in the ECHL and the Central Hockey League.