| HEART | Happily Enjoying Akane And Ranma Together 
| Others |
| HEART | Happiness, Engagement, Adoption, Retention, Task Success (Framework)
| Business, Performance, Project |
| HEART | Healing the Effects of Abortion Related Trauma
| Medical |
| HEART | Health Education Across Rural Towns
| Others |
| HEART | Health Endeavor Affective Response and Training
| Others |
| HEART | Hear Excellence Appearance Responsibility and Teamwork
| Others |
| HEART | Help Endangered Animals Ridley Turtles
| Others |
| HEART | Help Every Animal Restore Trust
| Others |
| HEART | Helping Everychild Achieve Results Together
| Others |
| HEART | Helping Everyone Attain Repairs Today
| Others |
| HEART | Helping The Elderly Attain Repairs Today
| Others |
| HEART | Heritage, Excellence, Accountability, Respect, Tomorrow
| Others |
| HEART | Heroes Earnings Assistance and Relief Tax
| Others |
| HEART | High Explosive Art Resistant Textures
| Others |
| HEART | Holistic Education and Art Recreation Therapy
| Others |
| HEART | Holistic Energy and Architectural Retrofit Toolkit
| Others |
| HEART | Holocaust Education Research Team
| Others |
| HEART | Home Education and Religious Training
| Others |
| HEART | Homework Enrichment Acceleration Recreation And Teamwork
| Others |
| HEART | Homework Enrichment Acceleration Recreation Teamwork
| Others |
| HEART | Honesty Equality Accountability Respect Teamwork
| Others |
| HEART | Housing Education And Rehabilitation Training
| Others |
| HEART | Housing Education And Rehabilitative Training
| Others |
| HEART | Howdy Engage Arrive Respond Thank
| Others |
| HEART | Human Employment And Resource Training
| Others |
| HEART | Human Error Assessment and Reduction Technique
| Others |
| HEART | Humane Education Advocates Reaching Teachers
| Others |
| HEART | Humane Emergency Animal Relief Team
| Others |
| HEART | Humane Enforcement And Animal Rescue Team
| Others |
| HEART | Humane Evacuation Animal Rescue Team
| Others |
| HEART | Humanitarian Emergency Aid for Rebuilding Tomorrow
| Others |