Dasa refers to a devotee, surname, tribe, enemy, or servant in Sanskrit.
Dasa or DASA may also refer to:
- DASA, also known as Deutsche Aerospace, Daimler-Benz Aerospace and DaimlerChrysler Aerospace, a former German aircraft manufacturer
- Dasà, a town in Italy
- Defence Analytical Services and Advice, part of the British Ministry of Defence
- Defence and Security Accelerator, competitive portal for Dstl, part of the British Ministry of Defence
- Diagnosticos da America S.A., a Brazilian company
- Dasa-eup, a town in Daegu, South Korea
- Doclean Academy of Sciences and Arts, an academic institution in Montenegro
- Dignity for All Students Act, a New York State law against discrimination and harassment in public educational settings
- Eli Dasa (born 1992), Israeli footballer for Dynamo Moscow and the Israel national team