HR1 or similar terms may refer to:
- hr1, radio station in Hesse, Germany
- HR 1 (radio station), Croatian Radio's first channel
- HR 1 (star), an alternate designation for the star HD 3
- H.R. 1 (short for House of Representatives 1), an identifier for legislation considered by the United States House of Representatives
- Peugeot HR1, concept car
- VR Class Hr1, a Finnish locomotive
This disambiguation page lists articles associated with the same title formed as a letter–number combination.
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