William Brown (born January 14, 1945 in Omaha, Nebraska) is a retired professional tennis player from the United States. The right-hander was active during the 1970s and 1980s, and won four doubles titles on the tour: the 1973 Omaha Open, 1975 American Airlines Tennis Games (Tucson), 1975 at Shreveport and the 1976 Columbus Open.