- ACLR stands for Atlantic Coast Line Railroad (1900-1967)
- ACLR stands for Adjacent Channel Leakage Power Ratio
- ACLR stands for Anterior Cruciate Ligament Reconstruction
- ACLR stands for American Criminal Law Review (Georgetown University Law Center publication)
- ACLR stands for Armored Core Last Raven (video game)
- ACLR stands for Amateur Cross Link Repeater
- ACLR stands for Athlétic Club La Roche
- ACLR stands for Access Control, Logging, and Reporting
- ACLR stands for Automated Circuit Layout Record
- ACLR stands for American Center for Legislative Reform
ACLR