SADS can refer to:
- Sads (band), a Japanese band
- Schedule for Affective Disorders and Schizophrenia
- SA.DS, silver acetylide double salt with silver nitrate, a primary explosive
- Sudden arrhythmic death syndrome
- Swine acute diarrhea syndrome coronavirus, a coronavirus emerging in China in 2018 fatal to swine
- Synthetic air data system, an alternative air data system
See also
- SAD (disambiguation)