HR
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| HR | Hertzsprung-Russell | - | Atmospheric Research Center |
| HR | Heart Rate | - | Medical(slang) |
| HR | Historical Record | - | Organizations |
| HR | Hour | - | Organizations |
| HR | Croatia (FIPS 10-4 Country Code; ISO 3166 Digram) -Harvard Revised Star Catalogue - Human Resources | - | Astronomy |
| HR | Croatian Language (ISO 639-1 Code) | - | Astronomy |
| HR | Human Resources | - | Business and Finance |
| HR | human resources | - | Human Genome |