CRRT
# CRRT

The abbreviation CRRT may refer to

* Cristopher Reuel Tolkien
* Carrier Route mail sorting system for the United States Postal Service
* Continuous renal replacement therapy
* Chemical-Biological-Radiological Rapid Response Team
* Commuter Rail Real Time data from the MBTA, providing train locations and arrival predictions for the MBTA Commuter Rail system
* Cyber Rapid Response Team - EU countries (Lithuania, Estonia, Croatia, Poland, the Netherlands and Romania) cooperation in cyber area
