Sid Williams (disambiguation)
Appearance
Sid Williams (born 1942) is a former American football linebacker.
Sid, Syd, Sidney or Sydney Williams may also refer to:
- Sidney Williams (born 1962), is an American author
- Sid Williams (footballer) (1919–2003), English association footballer for Bristol City from 1937 to 1952
- Sid Williams (rugby league), Australian rugby league player from the 1960s
- Syd Williams (1918–1976), Welsh dual code rugby union and rugby league player
- The Sid Williams Theatre is the major performance theatre in the Comox Valley, Courtenay, British Columbia, Canada