THR or Thr may refer to:
- T. H. Rogers School in Houston, Texas
- Target Heart Rate, a desired range of heart rate during exercise
- The Hollywood Reporter, a trade publication of the U.S. entertainment industry
- THR, IATA code for Mehrabad Airport, Tehran, Iran
- THR, UCI code for the HTC–Highroad professional road bicycle racing team
- Threonine, one of the 20 standard amino acids
- Through-hole reflow soldering, a process for mounting through-hole electronic components
- Tim Harvey Racing Ltd., a British motor sport company
- Time Highway Radio, the former name of THR.FM, a private radio station in Malaysia
- Times Herald-Record, a newspaper in New York's Hudson Valley
- Tony Hawk: Ride, a skateboarding video game
- Total Hip Replacement, a surgical operation
- Tufts Historical Review, published by the Tufts University Department of History
|This disambiguation page lists articles associated with the title Thr.
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