Bill Siksay is a Canadian politician, who represents the British Columbia riding of Burnaby-Douglas for the New Democratic Party of Canada.

Prior to running for elected office, he was constituency assistant to Svend Robinson. When Robinson resigned the seat in April, 2004 due to a controversy around his stress-related theft of a piece of jewellery, Siksay won the nomination to replace Robinson in the upcoming election, and won the riding in the Canadian federal election, 2004 on June 28.