Ian Williams may refer to: Ian Williams (American football) (born 1989), Notre Dame nose tackle Ian Williams (fencer) (born 1967), British fencing coach Ian Williams (footballer, born 1942), Australian rules footballer for Geelong Ian Williams (footballer, born 1957), Australian rules footballer for Swan Districts and Footscray Ian Williams (musician) (born 1970), American guitarist Ian Williams (rugby union) (born 1963), Australian rugby union player Ian Williams (sailor) (born 1977), British sailor Ian Williams (speedway rider) (born 1931), Welsh speedway rider Ian Williams (tennis) (born 1971), American tennis player Ian Williams (writer), Canadian poet and fiction writer