ARSA or Arsa may refer to:
- Arylsulfatase A, gene for a human protein
- All-Russian Scout Association
- Arakan Rohingya Salvation Army, insurgent group in Rakhine State, Myanmar (Burma)
- Arsa, a settlement in Albești, Constanța, Romania
- Arsenije Milošević "Arsa" (1931–2006), Yugoslav Serbian film and television director
- Associate of the Royal Scottish Academy
- Automated Radioxenon Sampler Analyzer
See also
edit- Arsha (community development block) in India