HR1

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