Japp

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