William or Bill Meyer may refer to:
Politics William H. Meyer (Colorado politician) (1847–1923), Lieutenant Governor of Colorado William H. Meyer (1914–1983), member of the U.S. House of Representatives William Stevenson Meyer (1860–1922), ICS officer and first High Commissioner for India
Sports William Meyer (cricketer) (1883–1953), English cricketer Bill Meyer (basketball) (1943–2018), American basketball player Bill Meyer (water polo) (born 1958), Canadian water polo player Billy Meyer (1893–1957), American baseball player William Meyer (runner), American long-distance runner, 3rd in the 6 miles at the 1927 USA Outdoor Track and Field Championships
Other William Meyer (Medal of Honor) (1863–1926), U.S. Navy sailor and Medal of Honor recipient Bill Meyer (artist) (born 1942), Australian artist
See also William Mayer (disambiguation) William Meyers (1943–2014), South African boxer William Myers (disambiguation) Billy Meier Billmeyer, a German surname