HRL may refer to:
- HRL (software), an artificial intelligence program
- HRL Laboratories, formerly Hughes Research Laboratories, in Malibu, California, United States
- Harlech railway station, in Wales
- Hilandar Research Library, at Ohio State University
- IBM Haifa Research Laboratory, in Haifa, Israel
- Valley International Airport, serving Harlingen, Texas, United States
This disambiguation page lists articles associated with the title HRL.
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