| Abbreviation | Definition |
|---|---|
| RTAA | Re-employment Trade Adjustment Assistance |
| RTAP | Rural Transit Assistance Program |
| RTAR | Real-Time Administration of Reservists |
| RTAX | Residential TAX |
| RTD | Redundantly Taxed District |
| RTD | Regional Transportation District |
| RTPA | Regional Transportation Planning Agency |
| RTPB | Regional Transportation Policy Board |
| RTPC | Regional Transportation Planning Committee |
| RTPF | Republic of Texas Passport Form |
| RTPI | Royal Town Planning Institute |
| RTPJ | Rancangan Tempatan Petaling Jaya |
| RTPO | Regional Transportation Planning Organization |
| RTTB | Rebuilding Together Tampa Bay |
| RUDP | Replacement Unitary Development Plan |
| RUDSETI | Rural Development and Self-Employment Training Institute |
| RV | Registered Voter |
| RV | Reiver Village |
| RV | Rogue Valley |
| RV | Rother Valley |