| Acronym | Definition |
|---|
| RCOC | Road Commission for Oakland County (Beverly Hills, MI) |
| RCOC | Regional Center of Orange County (Santa Ana, CA) |
| RCOC | Royal Canadian Ordnance Corps |
| RCOC | Richmond Chamber of Commerce (Richmond, CA) |
| RCOC | Raleigh Chopper Owners Club (Raleigh, NC; motorcycle enthusiasts) |
| RCOC | Rotorua Chamber of Commerce (New Zealand) |
| RCOC | Raleigh Church of Christ (Raleigh, NC) |
| RCOC | Riverdale Chamber of Commerce (est. 1958; Riverdale, IL) |
| RCOC | Republican Culture of Corruption |
| RCOC | Remote Control of Outdoor Circuits (Trinetics; street lighting) |
| RCOC | Ringwood Chamber of Commerce (Ringwood, NJ) |
| RCOC | Regional Communications Operations Center |