| Rank | Abbreviation | Meaning |
|---|
| ***** | HCCR | Harvard College Curricular Review
| |
| ***** | HCCR | Hard Core Christian Right
| |
| ***** | HCCR | Hospital Central de la Cruz Roja
| |
| **** | HCCR | Health Care Cost Recovery
| |
| **** | HCCR | Hot Closed Circuit Refuelling
| |
| **** | HCCR | Healthy Cities of the Czech Republic
| |
| *** | HCCR | Humboldt Coalition for Community Rights
| |
| *** | HCCR | Hereditary Colon Cancer Registry
| |
| *** | HCCR | Host Command and Control
| |
| *** | HCCR | Handwritten Chinese Character Recognition
| |
| *** | HCCR | Harry Choo Choo Romero
| |
| ** | HCCR | Handprinted Chinese Character Recognition
| |
| ** | HCCR | Haq Centre for Child Rights
| |
| * | HCCR | Hepatitis C Case Registry
| |
| * | HCCR | Hereditary Colorectal Cancer Registry
| |
| * | HCCR | High Council of Cultural Revolution
| |
| * | HCCR | Health Care Community Representatives
| |
| * | HCCR | Halton Child Care Registry
| |
| * | HCCR | Hancock County Court Records
| |
| * | HCCR | HealthCare Compliance & Consulting Resources
| |
| * | HCCR | Hyperbolic Crochet Coral Reef
| |
| * | HCCR | Hawaii Citizens for Comprehensive Recycling
| |
| * | HCCR | Harry Choo Choo Romero's
| |