| Rank | Abbreviation | Meaning |
|---|
| ***** | COHA | Children of Hearing Adults
| |
| ***** | COHA | Canadian Outdoor Heritage Alliance
| |
| ***** | COHA | Community Organization for Health Awareness
| |
| ***** | COHA | Cessation of Hostility Agreement
| |
| ***** | COHA | Cessation of Hostilities Agreement
| |
| ***** | COHA | Council on Hemisphere Affairs
| |
| **** | COHA | Church of Hot Addiction
| |
| **** | COHA | Cooper's Hawk
| |
| **** | COHA | Czech Oral History Association
| |
| **** | COHA | Council of Homeowner Associations
| |
| **** | COHA | Causes of Haze Assessment
| |
| **** | COHA | Connecticut Olmsted Heritage Alliance
| |
| **** | COHA | California Outdoor Heritage Alliance
| |
| **** | COHA | Community Outreach for Health Awareness
| |
| *** | COHA | Chattanooga Oncology and Hematology Associates
| |
| *** | COHA | Council of Hemispheric Affairs
| |
| *** | COHA | Canadian Oral History Association
| |
| *** | COHA | Canadian Occupational Health Association
| |
| *** | COHA | Central Okanagan Hospice Association
| |
| ** | COHA | Corpus of Historical American
| |
| ** | COHA | Canadian Oil Heat Association
| |
| ** | COHA | Canadian Ornamental Horticulture Alliance
| |
| * | COHA | Central Ontario Humanist Association
| |