| Acronym | Definition |
|---|
| OHT➣Ocean Heat Transport (climate) |
| OHT➣One Hand Tool (Leatherman pocket knive) |
| OHT➣Oral Health Therapist |
| OHT➣Office for a Human Theatre |
| OHT➣Ocular Hypertension |
| OHT➣One Hand Trekker (Victorinox) |
| OHT➣Open Health Tools (open-source consortium; Asheville, NC) |
| OHT➣Ozark Highlands Trail |
| OHT➣Oregon Healthy Teens |
| OHT➣Overhead Hoist Transport (manufacturing) |
| OHT➣Omron Healthcare Taiwan (healthcare devices) |
| OHT➣Offshore Heavy Transport |
| OHT➣Over Head Transmission |
| OHT➣One Horse Town |
| OHT➣Orthotopic Heart Transplant |
| OHT➣One Handed Typing |
| OHT➣Okano Hightech Co., Ltd. (Japan) |
| OHT➣Overhead Projector Transparency |
| OHT➣On Harvard Time (On-line comedy news show) |
| OHT➣One Hour Translation (New York, NY; est. 2007) |
| OHT➣Over Head Transport |
| OHT➣Orchestre d'Harmonie de Troyes |