RCSL
| Acronym | Definition |
|---|---|
| RCSL | Rugby Canada Super League |
| RCSL | RealNetworks Community Source License |
| RCSL | RPG Cellular Services Ltd. (India) |
| RCSL | Research Committee Sociology of Law |
| RCSL | Robayne Computing Services Ltd. (est. 1993; UK) |
| RCSL | Regional Counter-Strike League (computer game league; Russia) |