- DSAI stands for Datuk Seri Anwar Ibrahim (Malaysian politician)
- DSAI stands for Deutsche Selbsthilfe Angeborene Immundefekte (German: Germans With Congenital Immunodeficiencies)
- DSAI stands for Decision Science Applications, Inc. (Rome, NY)
- DSAI stands for Diagnostic and Specialist Access Insurance
- DSAI stands for Dombes Saône Assistance Informatique (French computer service company)
DSAI