Japp may refer to:
Alexander Hay Japp (1837–1905), Scottish author, journalist and publisher Francis Robert Japp (1848–1925), British chemist Mikel Japp (1952–2012), Welsh musician Chief Inspector Japp, a fictional police officer created by crime writer Agatha Christie Japp, a chocolate bar produced, marketed and sold by Marabou in Sweden and Freia in Norway
See also JAP (disambiguation) Jaap (disambiguation)