- RSL
- Registered Social Landlord (Business » Positions)* Reserve Static Line (Community » Sports)* Rambus Signaling Level (Computing » General)* Roots Surname List (Community)* Restricted Service License (Computing » Telecom)* Returned Soldiers League (Governmental » Military)* Restricted Service Licence (Computing » Telecom)* Raise Specification Language (Computing » General)* Rugby Super League (Community » Sports)* Received Signal Level (Academic & Science » Electronics)* Received Signal Level (Governmental » NASA)* Rambus Signaling Levels (Computing » Hardware)* Robot Scripting Language (Computing » General)* Retired Servicemens League (Governmental » Military)* Returned Servicemen's League (Community)* Requirements Specification Language (Computing » General)* Ready Service Locker (Governmental » Military)* Rail Safety Law (Regional » Railroads)* Rail Safety Law (Governmental » US Government)* Rail Safety Law (Governmental » Transportation)* Rail Safety Law (Community » Law)* Research Status Log (Governmental » US Government)* Research Status Log (Academic & Science » Universities)* Request and Status Links (Computing » Telecom)* Retired Servicemans League (Community)* Russell, Kansas USA (Regional » Airport Codes)
Abbreviations dictionary. 2012.