| Acronym | Definition |
|---|
| HARC➣Houston Advanced Research Center |
| HARC➣Hawaii Agriculture Research Center |
| HARC➣Halon Alternatives Research Corporation |
| HARC➣Human Dimensions of the Arctic System |
| HARC➣Greater Hartford Association for Retarded Citizens, Inc. |
| HARC➣Houston Athletic Rugby Club |
| HARC➣Hitachi Asynchronous Remote Copy (Japan) |
| HARC➣Highly-Available Resource Co-allocator |
| HARC➣Handicapped And Retarded Citizens, Inc. |
| HARC➣Highway Amateur Radio Club (South Africa; est. 1996) |
| HARC➣Hoodview Amateur Radio Club (Gresham, OR) |
| HARC➣Horsham Amateur Radio Club (UK) |
| HARC➣Hanford Academic Research Committee |
| HARC➣Hercules Amateur Radio Club (KF6MSR) |
| HARC➣Hazard Analysis and Risk Control |
| HARC➣Hybrid Automatic Rate Control |
| HARC➣HUMINT Analysis and Requirements Cell |
| HARC➣High Antennas for Radio Communications (US DoD) |
| HARC➣Housatonic Amateur Radio Club (Stratford, CT) |
| HARC➣Historic Average Room Count (hospitality industry) |