| Acronym | Definition |
|---|
| RAL | Refund Anticipation Loan |
| RAL | Riverside Municipal Airport (Riverside, CA) |
| RAL | Rutherford Appleton Laboratory |
| RAL | Radio Receiver (US Navy) |
| RAL | Redundant Acronym List |
| RAL | Raw Access Log |
| RAL | Registry Access Library |
| RAL | Rotate Left Arithmetic |
| RAL | Revue d'Art et de Littérature (French: Journal of Art and Literature) |
| RAL | Relación Adulta de Lactancia (Spanish: Adult Breastfeeding) |
| RAL | Riverbank Acoustical Laboratories (Alion Science and Technology; Geneva, IL) |
| RAL | Regionaal Archief Leiden (Netherlands) |
| RAL | Radio Astronomy Laboratory |
| RAL | Richmond Animal League |
| RAL | Restricted Access Location |
| RAL | Research Analytical Laboratory |
| RAL | Rear Admiral Alexandria (US Navy) |
| RAL | Real-Time Action Logic |
| RAL | Recommended Allowable Limit |
| RAL | Ringer Approximated Loading |
| RAL | Registered Asset List |
| RAL | Rabbi Aharon Lichtenstein (Orthodox Rabbi) |
| RAL | Remote Area Landing |
| RAL | Recherche sur l'Acquisition des Langues (French: Research on Language Acquisition) |
| RAL | Regardless of Altitude |
| RAL | Registry Abstraction Layer |
| RAL | Required Average Life |
| RAL | Rolling About Laughing |
| RAL | Reichsausschuss für Lieferbedingungen und Gütesicherung (German: Commission for Delivery Terms and Quality Assurance) (nowadays: Deutsches Institut für Gütesicherung u. Kennzeichnung e. V) |
| RAL | Rutherford Appleton Library |
| RAL | Rydex Asset Level (finance) |