Humperdinck or Humperdink is a surname. Notable people with the surname include: Engelbert Humperdinck (composer) (1854–1921), German composer Adelheid Wette née Humperdinck (1858–1916), German author, composer, and folklorist; librettist of her brother Engelbert Humperdinck's opera Hansel and Gretel Engelbert Humperdinck (singer) (born 1936), English pop singer Oliver Humperdink (born John Jay Sutton) (1949–2011), American professional wrestling manager Prince Humperdinck, a character from the 1973 novel The Princess Bride and the 1987 film adaptation of the same name

See also Humperdink Duck, a Disney character, grandfather of Donald Duck