Leonard Williams
Leonard or Len Williams may refer to:
- Sir Leonard Williams (politician) (1904–1972), British politician and Governor General of Mauritius
- Leonard Williams (bishop) (1829–1916), Anglican bishop in New Zealand
- Leonard Williams (physician) (1861– 1939), Welsh physician and writer
- Leonard E. H. Williams (1919–2007), former head of the Nationwide Building Society and Spitfire pilot
- Leonard Williams (actor) (1917–1962), British actor
- Len Williams (speedway rider) (1921–2007), English international speedway rider
- Len Williams (Canadian football) (born 1971), Canadian football quarterback
- Leonard Williams (defensive end) (born 1994), American football defensive lineman for the Seattle Seahawks
- Leonard Williams (running back) (born 1960), American football running back
- Len Williams (footballer) (1898–1932), English footballer