English abbreviations from hoas to holz
- HOAS (Horn of Africa Services)
- HOB (Lea County Regional Airport)
- HOBO (Homing Bomb)
- HOBOS (HOming BOmb System)
- HOC (Komako Airport)
- HOCC (Humanitarian Operations Coordination Center)
- HOCO (Highest Occupied Crystal Orbital)
- HOD (Hodeida International Airport)
- HOE (Holographic Optical Element)
- HOF (al-Ahsa Airport (al-Hasa Airport))
- HOG (Frank País Airport)
- HOGA (Hybrid Optimization by Genetic Algorithms)
- HOGE (Hover Out of Ground Effect)
- HOH (Hard of hearing)
- HOI (Hao Airport)
- HOIS (Hostile Intelligence Service)
- HOJO (HOward JOhnson)
- HOK (Lajamanu Airport (Hooker Creek Airport))
- HOL (High Order Language)
- HOLDEN (Heaps Of Loud Damaging Engine Noise)
- HOLLAND (Hope Our Love Lasts And Never Dies)
- HOLT (Honoring Outstanding Literary Talent)
- HOLZ (Higher-Order Laue Zone)