Rupp or RUPP can refer to:
- Rational Unified Process Product
- Royal University of Phnom Penh
- Roads used as public paths,
- Rights of way in England and Wales
- Rights of way in Scotland
- Warren Rupp Observatory
- Rupp Industries, a Mansfield, Ohio producer of go-karts, mini-bikes, and snowmobiles from the late 1950s until 1978; founded by car racer Mickey Rupp
People called Rupp or Ruppe:
- Adolph Rupp (1901-1977), American basketball coach
- Adolph Rupp Trophy, American basketball trophy
- Rupp Arena, American basketball arena
- Debra Jo Rupp (b.1951), American television actress
- Duane Rupp (b.1938), Canadian ice hockey player
- Ernest Gordon Rupp (1910-1986), British preacher and historian
- Galen Rupp (b.1986), American athlete
- George Erik Rupp (b.1942), American educator and theologian
- Herman Rupp (1872-1956), Australian clergyman and botanist
- Kelly Rupp (b.1972), Mayor of Minco, Oklahoma and book author
- Kerry Rupp, American basketball coach
- Leila J. Rupp (b.1950), American historian and feminist
- Loret Miller Ruppe (1936–1996), American administrator and diplomat
- Michael Rupp (b.1980), American ice hockey player
- Mickey Rupp (b.1936), American racecar driver
- Pat Rupp (1942-2006), American ice hockey player
- Philip Ruppe (b.1926), American politician
- Rainer Rupp (b.1945), East German spy
- Scott T. Rupp, American politician