William Kemp

William Kemp may refer to:


 * William Kempe (died 1603), 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 (1889–1968), mayor of Kansas City, Missouri, U.S.
 * William Herbert Kemp (1881–1957), British chemist and politician
 * Will Kemp (actor, born 1977), contemporary film actor
 * Willy Kemp (1925–2021), Luxembourgish road bicycle racer
 * Willie Kemp (1888–1965), Scottish singer and writer
 * Willie Kemp (basketball) (born 1987), American basketball player