| Acronym | Definition |
|---|
| RSU➣Responsabilidad Social Universitaria (Spanish: University Social Responsibility) |
| RSU➣Rogers State University (Claremore, Oklahoma) |
| RSU➣Restricted Stock Unit |
| RSU➣Rating Service Unit (Germany) |
| RSU➣Rifiuti Solidi Urbani (Italiano) |
| RSU➣Regional School Unit (Maine) |
| RSU➣Rappresentanza Sindacale Unitaria (Italian Group of Unions) |
| RSU➣Road Safety Unit (various locations) |
| RSU➣Remote Service Unit (various locations) |
| RSU➣Remote Switching Unit |
| RSU➣Riga Stradins University (Riga, Latvia) |
| RSU➣Red State Update |
| RSU➣Regional Support Unit |
| RSU➣Rutgers, the State University |
| RSU➣Remote Sensing Unit |
| RSU➣Recommended Service Upgrade (IBM mainframe software management) |
| RSU➣Rear Support Unit (US DoD) |
| RSU➣Remote Subscriber Unit (converts CATV frequencies to phone service) |
| RSU➣Repair Service & Upgrade (Australia) |
| RSU➣Response Support Unit (US VA) |
| RSU➣Rapid Support Unit (US DoD) |
| RSU➣Runway Supervisory Unit |
| RSU➣Rate Sensor Unit |
| RSU➣Yosu, South Korea - Yosu Airport (Airport Code) |
| RSU➣rec.sport.unicycling (newsgroup) |
| RSU➣Recuperative Services Unit (various organizations) |
| RSU➣Ruggedized Service Unit (C-130 aircraft) |
| RSU➣Reunification Services Unit (US FEMA) |
| RSU➣Recovery Support Unit (UK) |
| RSU➣Residuos Sólido Urbanos (Spanish) |
| RSU➣Responsabilité Sociale des Universités (French: Social Responsibility of Universities) |
| RSU➣Remote Set Up |
| RSU➣Redundancy Switch Unit |
| RSU➣Roller Suspension Unit |
| RSU➣Railway Services Unit |
| RSU➣Relay Storage Unit |
| RSU➣Runescape Unlocked (gaming) |
| RSU➣Recorder Switch Unit |
| RSU➣Receiver Synthesizer Unit |
| RSU➣Rating Scale Unit |
| RSU➣Remote Storage Unit |
| RSU➣Rescue Support Umbilical |