Hup
Hup or HUP may refer to:

Art and music
Hup (album), a 1989 album by The Wonder Stuff
"Hüp", a single by Turkish singer Tarkan
Hup (comics), a series of four comics published by Last Gasp from 1986–1992 by R. Crumb

Organizations
Hanoi University of Pharmacy, in Vietnam
Harvard University Press, in Cambridge, Massachusetts
Howard University Press, in Washington, D.C.
Hospital of the University of Pennsylvania, in Philadelphia

Other uses
Hup people, an Amazonian indigenous people in Brazil and Colombia
Hup language a language of Brazil and Colombia
hup, the ISO 639 code for the Hupa language of California, United States
Heisenberg's uncertainty principle
Hungarian Unix Portal
Humphrey Park railway station, in England
HUP Retriever, a US Navy utility helicopter
SIGHUP, a Unix signal