American football •
Bill Davis (offensive lineman) (1916–1994), American football tackle •
William C. Davis (American football) (1938–2020), American football coach •
Willie Davis (defensive end) (1934–2020), American football defensive end •
Willie Davis (wide receiver) (born 1967), American football wide receiver •
Will Davis (linebacker) (born 1986), American football defensive end •
Will Davis (cornerback) (born 1990), American football cornerback •
Bill Davis (coach) (1941–2002), American football coach •
Billy Davis (wide receiver) (William Augusta Davis III, born 1972), American football player •
Billy Davis (linebacker) (William Henry Davis Jr., born 1961), American football player
Baseball •
William Davis (baseball), Negro league baseball player •
Willie Davis (baseball) (1940–2010), center fielder in Major League Baseball •
Will Davis (baseball) (born 1984), American college baseball coach •
Bill Davis (baseball) (1942–2023), baseball player •
Babe Davis (William L. Davis, fl.1937–1939), American baseball player
Basketball •
Will Davis (basketball) (born 1992), American basketball •
Willie Davis (basketball) (born 1945), basketball player •
Bill Davis (basketball) (1921–1975), basketball player
Rugby union •
Will Davis (rugby union) (born 1990), English rugby union player •
Bill Davis (rugby union) (born 1942), New Zealand rugby union and softball player •
Wendy Davis (rugby union) (William Edward Norman Davis, 1913–2002), international rugby union player for Wales
Other sports •
Bill Davis (darts player) (born 1959), American darts player •
Bill Davis (NASCAR owner) (1950/1951–2025), American motorsports car owner •
J. William Davis, father of the National Letter of Intent for college athletics •
William Davis (cricketer, born 1880) (1880–1959), who played for Surrey, London County and the South of England from 1903 to 1911 •
Will Davis (cricketer) (born 1996), English cricketer •
William Davis (golfer) (1861–1902), Scottish golfer •
Bill Davis (ice hockey) (born 1954), Canadian ice hockey player ==Other people==