Arup or ARUP may refer to:
Arup (name), a list of people with the Indian masculine given name or Dano-Norwegian surname Arup Group, a multinational professional services firm Arup Manufacturing Corporation, an aircraft manufacturer ARUP Laboratories, a national reference laboratory at the University of Utah Angle-resolved photoemission spectroscopy
See also Aarup, Denmark, a town Arupajhana, formless meditation in Buddhism