FUP

FUP or Fup may refer to:


 * Fair usage policy
 * Fair Use Project of Stanford Law School
 * Federal Union Party, a political party in Myanmar
 * Freshman Urban Program, at Northwestern University, Illinois, United States
 * Força de Unidade Popular (Popular Unity Force), a Portuguese political party that existed in 1980–2004
 * Fup, a duck, the protagonist of the 1983 novel Fup by Jim Dodge