Zapp may refer to:
- Zapp (band), a 1980s funk band based in Ohio, USA
- Zapp (album), the debut album by the funk band
- Zapp (TV channel), a Dutch children's TV channel
- Zapp Brannigan, a fictional character from the television series Futurama
- Robert-Richard Zapp, a German U-boat commander during World War II
- Zapp Mobile, a Romanian mobile telephony operator
- Willow Springs, Fayette County, Texas, a town previously known as Zapp
- Walter Zapp, a Latvian designer of miniature cameras
- Zapp flaps, a mechanism used to reduce aircraft speed (actually Zap as they were developed by a Mr. Zaparka but often misspelled)