English abbreviations from rks to rlc
- RKS (Rock Springs – Sweetwater County Airport)
- RKT (Ras Al Khaimah International Airport)
- RKU (Right Knuckles Up)
- RKV (Reykjavík Airport)
- RKVDU (Remote Keyboard Visual Display Unit)
- RKW (Rockwood Municipal Airport)
- RKZ (Shigatse Peace Airport)
- RL (Restricted Line Officer)
- RL&L (Romance Languages and Literatures)
- RLA (Red Light Area)
- RLAB (Residence Life Advisory Board)
- RLAO (Retail Liquor Association of Oklahoma)
- Rlari. (Regulari ("Regular"))
- RLB (Rendered Latex Bitmap)
- RLC (Royal Logistic Corps)