THC Science

Bill or Billy Harris may refer to:

Music

Bill Harris (trombonist) (1916–1973), American jazz trombonist
Bill Harris (guitarist) (1925–1988), American guitarist with the vocal group The Clovers

Bill Harris (Ohio politician) (1934–2017), American state senator
Bill Harris (Montana politician), member of the Montana State House of Representatives
Bill Harris (Nebraska politician) (1939–2011), member of the Nebraska Legislature and mayor of Lincoln, Nebraska
Bill Harris (lobbyist), American lobbyist

Bill Harris (1930s pitcher) (1900–1965), American baseball pitcher for the Reds, Pirates, and Red Sox
Bill Harris (1950s pitcher) (1931–2011), Canadian baseball pitcher for the Dodgers
Bill Harris (Australian footballer) (1877–1957), Australian footballer (Australian rules)
Bill Harris (New Zealand footballer), New Zealand footballer
Bill Harris (swimmer) (1897–1961), American swimmer
Bill Harris (Welsh footballer) (1928–1989), Welsh international footballer and manager
Billy Harris (American football) (born 1946), American football player
Billy Harris (baseball) (1943–2020), American baseball infielder
Billy Harris (basketball) (1951–2010), American basketball player
Billy Harris (ice hockey, born 1935) (1935–2001), Canadian ice hockey player for the Toronto Maple Leafs
Billy Harris (ice hockey, born 1952), Canadian ice hockey player for the New York Islanders
Billy Harris (rugby league) (born 1951), rugby league footballer for Wakefield Trinity and Oldham
Billy Harris (rugby league, born 1992), rugby league footballer for Stanley Rangers, Castleford Tigers, and Dewsbury Rams
Billy Harris (tennis) (born 1995), British tennis player