| Acronym | Definition |
|---|
| ROB | Report on Business |
| ROB | Rules of Behavior (various organizations) |
| ROB | Regional Office Building (various locations) |
| ROB | Roll Over Beethoven (song) |
| ROB | Royal Observatory of Belgium |
| ROB | Remote Order Buffer |
| ROB | Robotics |
| ROB | Readout Boards |
| ROB | Readout Buffer |
| ROB | Rijksdienst voor het Oudheidkundig Bodemonderzoek |
| ROB | Right on Brother |
| ROB | Review of Business |
| ROB | Road Over Bridge |
| ROB | Reigns of Battlefield (video game) |
| ROB | Retard-O-Bot (band) |
| ROB | Remains on Board (sludge or liquid oil in tanks) |
| ROB | Robotic Operating Buddy |
| ROB | Re-Order Buffer |
| ROB | Rhythm of Business |
| ROB | Rhine Ordnance Barracks (Vogelweh-Kaiserslautern Germany) |
| ROB | Run-Of-Book |
| ROB | Restriction on Bail (UK) |
| ROB | Rest of Board (electronics, less important PCB components) |
| ROB | Regionale Omroep Brabant |
| ROB | Reserve On Board |
| ROB | Radar Order of Battle |
| ROB | Rusthuis Voor Bejaarden (Dutch: Rest Home for the Elderly; Belgium) |
| ROB | Reach of Budget |
| ROB | Round of Beam |
| ROB | Région Ornithologique de Bretagne (French amateur bird breeders association) |
| ROB | Radar Coded Observation |
| ROB | Renewal of Bridges |
| ROB | Random Omnipotent Being |
| ROB | Right Out Board (location of aircraft underwing pylons) |
| ROB | Robertsfield International Airport, Harbel, Liberia |
| ROB | Railway Operations Battalion (US Army) |