Ahr is a tributary of the Rhine River in Germany.
AHR, AhR, Ahr, or AHr may also refer to:
Places Ahr (South Tyrol), the Ahr tributary in South Tyrol, Italy Ahr Hills, range of low mountains in Germany Ahr (wine region), Germany
People George W. Ahr (1904–1993), American prelate of the Roman Catholic Church Gustav Elijah Åhr (1996–2017), American singer and songwriter, known professionally as Lil Peep Timo Ahr (born 1993), German politician
Science and medicine aHR, adjusted hazard ratio AHr, ampere hour Airway hyper-responsiveness Aqueous homogeneous reactor Aryl hydrocarbon receptor (AhR), a protein
Organizations and companies Abbey Holford Rowe, architecture firm Advancing Human Rights Air Adriatic (ICAO airline code AHR), now defunct The American Historical Review, a scholarly journal
Other Ahirani language (ISO-639-3 code ahr) Assisted Human Reproduction Act
See also
AAR (disambiguation) AH (disambiguation) Ahir, an Indian caste AHRC (disambiguation) AHRS, attitude and heading reference system AR (disambiguation) ARR (disambiguation)