- DRSA stands for Dominance-Based Rough Set Approach (rough set theory)
- DRSA stands for Drifting Sand (meteorology)
- DRSA stands for Deep River Science Academy (Canada)
- DRSA stands for Digital Refrigeration System Analyzer
- DRSA stands for Deutsches Rettungs Schwimmabzeichen
- DRSA stands for Dot Richardson Softball Association
- DRSA stands for Dirusa Rattery (Bellingham,WA)
- DRSA stands for Darwaz Rehabilitation and Services Association
- DRSA stands for Dataroute Serving Area
- DRSA stands for District Roller Skating Association
- DRSA stands for Durham Region Soccer Association, Inc. (Canada)
- DRSA stands for Dual Resonant Slot Antenna
DRSA