William Fisher (14 March 1940 – 6 October 2018) was a Scottish boxer. He was born in Craigneuk and boxed under the names Willie Fisher and Billy Fisher.
Fisher won the 1960 Amateur Boxing Association British light-middleweight title, when boxing out of the Craigneuk ABC. Fisher represented Great Britain at the 1960 Rome Olympic Games. He won a bronze medal at light middleweight.
Fisher turned pro in 1961 and spent his entire career fighting in Great Britain. He retired in 1967 with a record of 21-12 with 9 KO.