Baseball •
Dick Williams (1929–2011), American baseball player and manager •
Dick Williams (executive), American baseball executive •
Rick Williams (baseball, born 1952), American baseball pitcher (Houston Astros, 1978–79) •
Rick Williams (baseball, born 1956), American baseball coach and scout
Basketball •
Richard Williams (basketball coach), American basketball coach at Mississippi State University from 1986 to 1998 •
Richie Williams (basketball) (born 1987), American basketball player
Cricket •
Richard Williams (cricketer, born 1901) (1901–1982), English, played for Worcestershire •
Richard Williams (cricketer, born 1957), Welsh-born, played for Northamptonshire •
Reggie Williams (cricketer) (Richard Charles James Williams, born 1969), English, played for Gloucestershire
Football •
Richard Williams (American football) (born 1960), American running back for Atlanta Falcons and Houston Oilers •
Richard Williams (Australian rules footballer) (1905–1958) •
Richard Williams (English footballer) (1869–after 1895), English, played for Everton and Luton Town •
Richard L. Williams (soccer),
Canadian soccer player •
Richard Parry Williams (1863–?), Welsh international footballer •
Dick Williams (footballer) (1905–1983), English footballer •
Richie Williams (born 1970), American soccer coach and former player •
Richie Williams (Canadian football) (born 1983), American quarterback who played in Canada
Rugby •
Richard Williams (rugby league) (born 1986), Australian rugby league footballer •
Richard Garnons Williams (1856–1915), Welsh rugby union player •
Dickie Williams (1925–1997), Welsh rugby union and rugby league footballer
Tennis •
Richard Williams (tennis coach) (born 1942), American coach and father of Venus and Serena Williams •
R. Norris Williams (1891–1968), American player and RMS Titanic survivor
Other sports •
Richard Williams (boxer) (born 1971), English boxer •
Richard Williams (racing driver) (born 1977), English racing driver == Writers and academics ==