Krapp is a surname. Notable people with the surname include:
Edgar Krapp (born 1947), German organist Gene Krapp (1887–1923), American baseball player George Philip Krapp (1872–1934), American academic Herbert J. Krapp (1887–1973), American theatre architect and designer
See also Krapp's Last Tape, a play by Samuel Beckett Krapp, ou, La dernière bande, a chamber opera by Marcel Mihalovici adapted from Krapp's Last Tape Crap (disambiguation)