Bill Westwater was an early twentieth-century Scottish-Canadian association football wing forward who played in Scotland, Canada and the United States. In 1922, Westwater moved to Canada, spending one season with the Toronto All Scots before moving to Montreal Carsteel. In 1924, he played in the American Soccer League with New Bedford Whalers, and the following season with Boston Wonder Workers. After several seasons abroad he returned to play with former team Montreal Carsteel in 1926 and later with Montreal CNR in the National Soccer League.