SCU
SCU stands for:
- Sacra Corona Unita , Italian mafia organization
- Santa Clara University , private Catholic university in Santa Clara, California, USA
- Santiago de Cuba airport in Cuba according to the IATA code
- Scoville scale (English Scoville Unit), scale for assessing the spiciness of the fruits of the pepper plant
- Senatus consultum ultimum , declaration of state emergency in the late Roman Republic by the Senate
- Serious Crimes Unit , investigative agency into human rights violations in East Timor in 1999
- Southern Cross University , University of Lismore in the Australian state of New South Wales