| Abbreviation | Definition |
|---|---|
| HOAE | Health Occupations Aptitude Exam |
| HOAE | Health Occupations Aptitude Examination |
| HOC | Health Occupations Center |
| HOCS | Health Outreach and Community Support |
| HOE | Health Occupations Education |
| HOHHH | Hands On Health Holistic Healing |
| HOHO | Halton Oral Health Outreach |
| HOI | Health Outcomes International |
| HOIF | Health Outcomes Improvement Fund |
| HOIN | Health Outreach Information Network |
| HOMEF | Health of Mother Earth Foundation |
| HOMI | Health Outcomes Management Inc |
| HONOSCA | Health of the Nation Outcome Scales for Children and Adolescents |
| HONY | Healthcare Of New York |
| HOOP | Healthcare Out Of Pocket |
| HOOPP | Healthcare of Ontario Pension Plan |
| HOQ | Health Organization Questionnaire |
| HORUS | Health Occupation Responsibility Unique and Social |
| HOS | Health Outcomes Sciences |
| HOS | Health Outcomes Survey |