- DRRS stands for Defense Readiness Reporting System
- DRRS stands for De Radiguès Rider School (French riding school)
- DRRS stands for Duane-Radial Ray Syndrome
- DRRS stands for Digital Radio Relay System
- DRRS stands for Devon Rugby Referee Society (UK)
- DRRS stands for DEMPAQ (Develop and Evaluate Methods for Promoting Ambulatory Care Quality) Record Review System
- DRRS stands for Depressive Retardation Rating Scale (psychiatry)
- DRRS stands for Drawing Research and Request Subsystem
DRRS