William Kemp
William Kemp may refer to:
- William Kempe, also spelled William Kemp, English actor and dancer, one of the original actors in William Shakespeare's plays
- William D. Kemp (architect), architect
- William E. Kemp, mayor of Kansas City, Missouri, U.S.
- William Herbert Kemp, British chemist and politician
- Will Kemp (actor, born 1977), contemporary film actor
- Willy Kemp, Luxembourgish road bicycle racer
- Willie Kemp, Scottish singer and writer
- Willie Kemp (basketball), American basketball player