| Abbreviation | Definition |
|---|---|
| RLS | REBNY Listing Service |
| RLS | Reconfigurable Line System |
| RLS | Registration and Licensing System |
| RLS | Replica Location Service |
| RLS | Reweighed Least Squares |
| RLS | Roland Lee Smart |
| RLS | Ross Lynch Source |
| RLS | Rotary And Linear Sensors |
| RLSA | Rolka Loube Saltzer Associates |
| RLSA | Rugby League Supporters Association |
| RLSA | Run Length Smoothing Algorithm |
| RLSA | Rural Land Stewardship Area |
| RLSC | Regularized Least Squares Classification |
| RLSD | Regionaal landschap Schelde Durme |
| RLSD | Restless Legs Sensorimotor Disorder |
| RLSD | Restless Limbs Sensorimotor Disorder |
| RLSD | Rigid Lock Stack Down |
| RLSE | Recursive Least Squares Estimation |
| RLSE | Recursive Least Squares Estimator |
| RLSE | Registry for Lung Screening Excellence |