| Rank | Abbreviation | Meaning |
|---|
| ***** | HCAR | Holding Company Act Release
| |
| **** | HCAR | Handoff Call Attempt Rate
| |
| **** | HCAR | Hess Commons Asbestos Removal
| |
| **** | HCAR | Howard County Association of Realtors
| |
| **** | HCAR | HOCKEY CANADA ADULT RECREATION
| |
| **** | HCAR | Hungarian Congenital Abnormality Registry
| |
| **** | HCAR | Hernando County Association of Realtors
| |
| *** | HCAR | Humboldt Community Access and Resource Center
| |
| *** | HCAR | Health Care Access Resolution
| |
| *** | HCAR | Humboldt County Association of Realtors
| |
| *** | HCAR | Human Capital Accountability Reports
| |
| *** | HCAR | Hershey Center for Applied Research
| |
| ** | HCAR | Huntingdon County Amateur Radio
| |
| ** | HCAR | Haskell Communities and Activities Report
| |
| ** | HCAR | Health Care Access and Reimbursement
| |
| ** | HCAR | Human Constitutive Active Receptor
| |
| ** | HCAR | human coxsackievirus and adenovirus receptor
| |
| ** | HCAR | Home Care Automation Report
| |
| ** | HCAR | human coxsackie and adenovirus receptor
| |
| * | HCAR | Humboldt Community Access Resource
| |
| * | HCAR | Hanford Computer Access Request
| |
| * | HCAR | Harford County Association of REALTORS
| |
| * | HCAR | Human Constitutive Androstane Receptor
| |
| * | HCAR | Higher Committee for Agrarian Reform
| |
| * | HCAR | Hud Conditions and Appraisal Report
| |