- RRT
- Rapid Response Team (Community » Law)Rapid Response Team (Governmental » Military)** Regional Response Team (Community » Law)** Regional Response Team (Governmental » US Government)** Regional Response Team (Governmental » Military)* Rail Rapid Transit (Governmental » Transportation)* Rapidly-Exploring Random Tree (Computing » General)* Red River Telephone (Business » Firms)* Request Remailing To (Internet » Chat)* Department of Resource Recreation and Tourism, University of Idaho (Academic & Science » Universities)* Rhetoric Resources at Tech (Georgia Tech) (Academic & Science » Universities)
Abbreviations dictionary. 2012.