| HALT | Hang All Lawyers Today
| Others |
| HALT | Harvard Atom Like Tool
| Others |
| HALT | Help Abolish Legal Tyranny
| Others |
| HALT | Help Attack Littering and Trashing
| Others |
| HALT | Hey Albert Let's Tarry
| Others |
| HALT | Highly Accelerated Life Test
| Others |
| HALT | Highly Accelerated Life Testing
| Others |
| HALT | Highly Accelerated Lifetime Testing
| Others |
| HALT | Highly Accelerated Limit Testing
| Others |
| HALT | Home Alarms Latest Technology
| Others |
| HALT | Honestly Actively Lovingly Tolerant
| Others |
| HALT | Hope Acceptance Love and Tolerance
| Others |
| HALT | Hope Assistance Local Tradies
| Others |
| HALT | Housing Action for Local Taxpayers
| Others |
| HALT | Humane Alternatives to Long Term
| Others |
| HALT | Humans and Animals Learning Together
| Others |
| HALT | Hungry Angry Lonely and Tired
| Others |
| HALT | Hungry Angry Lonely or Tired
| Others |
| HALT | Hungry Angry Lonely Tired
| Others |
| HALT | Hungry, Angry, Lonely, and Tired
| Others |
| HALT | Hurting Angry Lonely And Tired
| Others |
| HALT | Hypertension and Lipid Trial
| Others |