| Abbreviation | Definition |
|---|---|
| R.I.D. | Registered Interior Designer |
| RA | Registered Accountant |
| RA | Resident Advisor |
| RA | Residental Advisor |
| RA | Residential Advisor |
| RA | Residential Assistant |
| RA | Respect Authority |
| RA | Royal Academician |
| RA | Royal Armorer |
| RAA | Residential Accredited Appraiser |
| RAC-CT | Resident Assessment Coordinator-Certified |
| RACE | Recorded Activity Compared To Expectations |
| RAF | Running At Finish |
| RAIN | Referral And Information Network |
| RAM | Registered Apartment Manager |
| RAP | Really Annoying Pop |
| RAP | Referrals, Assessments, and Packages |
| RAP | Registered Accounting Practitioner |
| RAP | Registered Apprenticeship Program |
| RATL | Regulatory Audit Trade Liaison |