| Acronym | Definition |
|---|
| HEART | Heroes Earnings Assistance and Relief Tax Act of 2008 |
| HEART | Human Employment And Resource Training (Jamaica) |
| HEART | Humane Evacuation Animal Rescue Team (Spokane, Washington) |
| HEART | Hardened Electronics And Radiation Technology |
| HEART | Humane Equine Aid and Rapid Transport |
| HEART | Home Educated and Righteously Trained |
| HEART | Healing and Early Afterload Reduction Therapy |
| HEART | Human Error Assessment Reduction Technique |
| HEART | Home Education After Righteous Teaching (Florida) |
| HEART | Help Encourage Animal Responsibility Today |
| HEART | Hampton Emergency Amber Response Team (Hampton, VA) |