| Acronym | Meaning |
| HIT | Hardware Integration Test |
| HIT | Harpoon Interface Test |
| HIT | Hazardous Incident Team |
| HIT | Heads of Information Technology (Canada) |
| HIT | Health Indicator Test (military helicopter) |
| HIT | Health Information Technology |
| HIT | Health Insurance Tax |
| HIT | Heavy Ion Telescope |
| HIT | High Impulse Thermobaric (weapon) |
| HIT | High Intensity Training |
| HIT | High Interest Target |
| HIT | High Interest Track |
| HIT | Horizontal Integration Team |
| HIT | Hughes Improved Terminal |
| HIT | Human Interface Technology |
| HIT | HVAA (High Value Airborne Assets) Intercept Tool (US Air Force) |