| Acronym | Definition |
|---|
| CWRR➣California Western Railroad |
| CWRR➣Centre for Water Resources Research (est. 1989; Department of Civil Engineering; University College Dublin; Dublin, Ireland) |
| CWRR➣Call Waiting Reminder Ring (telecommunications) |
| CWRR➣Commercial Waste Reduction and. Recycling |
| CWRR➣Centrum Wspierania Rozwoju Rodziny (Polish: Development Support Center for Families; Poland) |