American football edit

• Fred A. Williams (1878–1962), American college football player and coach
• Fred Williams (defensive lineman) (1929–2000), American football player
• Fred Williams (wide receiver) (born 1988), American football player

Association football (soccer) edit

• Fred Williams (footballer, born 1873) (1873–?), English footballer with Manchester City and Manchester United
• Fred Williams (Canadian soccer) (1896–1929), Canadian soccer player
• Fred Williams (footballer, born 1918) (1918–1994), English footballer with Southampton and Stockport County

Other sports edit

• Fred Williams (Australian footballer, born 1900) (1900–1975), Australian rules football player
• Fred Williams (Australian footballer, born 1919) (1919–2007), Australian rules football player
• Fred Williams (baseball) (fl. 1920s), American baseball player
• Fred Williams (basketball, born 1896) (1896–1937), American college basketball player
• Fred Williams (basketball, born 1957), American basketball coach
• Fred Williams (ice hockey) (born 1956), Canadian ice hockey player
• Freddie Williams (speedway rider) (1926–2013), Welsh motorcycle speedway rider

• Fred Williams (mayor) (1854–1940), mayor of Napier, New Zealand, 1902–1904
• Fred Williams (journalist) (1863–1944), Canadian newspaper editor, writer, and historian
• Fred Williams (artist) (1927–1982), Australian painter
• Fred Williams (actor) (born 1938), German actor

• Freddie Williams (disambiguation)
• Frederick Williams (disambiguation)
• Fred Williamson (born 1938), American actor and former American football player