| Abbreviation | Definition |
|---|---|
| RP3 | Religious Program Specialist Petty Officer Third Class |
| RPC | ligious Program Specialist Chief Petty Officer |
| RPC | Religious Program Specialist Chief Petty Officer |
| RPCM | ligious Program Specialtist Master Chief Petty Officer |
| RPCM | Religious Program Specialtist Master Chief Petty Officer |
| RPCS | ligious Program Specialist Senior Chief Petty Officer |
| RPCS | Religious Program Specialist Senior Chief Petty Officer |
| RPN | Reserve Personnel Navy |
| RPSA | ligious Program Specialist Seaman Apprentice |
| RPSA | Religious Program Specialist Seaman Apprentice |
| RPSN | ligious Program Specialist Seaman |
| RPSN | Religious Program Specialist Seaman |
| RPSR | ligious Program Specialist Seaman Recruit |
| RPSR | Religious Program Specialist Seaman Recruit |
| RRN | Romulan Republic Navy |
| RRNMI | Rolls Royce Naval Marine Inc. |
| RRNS | Roosevelt Roads Naval Station |
| RSNF | Royal Saudi Naval Forces |
| RSNG | Royal Swiss Navy Gazette |
| RSVN | Republic of South Vietnam Navy |