| Abbreviation | Definition |
|---|---|
| RJFH | Research Journal of Fisheries and Hydrobiology |
| RJFM | RJ's FM |
| RJFS | Rockland Jewish Family Service |
| RJG | Richard J Greenstone |
| RJG | Right Judkins Guiding |
| RJG | Robert Joseph Group |
| RJG | Royal Jelly Glycoprotein |
| RJHH | Ronnie Johns Half Hour |
| RJIL | Reliance Jamnagar Infrastructure Limited |
| RJIL | Reliance Jio Infocomm Limited |
| RJIL | Reliance Jio Infocomm Ltd |
| RJIS | Rail Journey Information Service |
| RJIS | Raymond James Investment Services |
| RJKD | Reiki Jin Kei Do |
| RJKT | Rajkot |
| RJL | Radio Judaica Lyon |
| RJL | Randall J LeVeque |
| RJL | Reverand Jacob Lischy |
| RJM | Religious of Jesus and Mary |
| RJM | Resource Justification Model |