Famous Abbreviations and Acronyms
- HSHilbert-Schmidt
- HSHenry Stephens
- HSHHala Sharaf
- HSTHarry S Truman Building
- HSTHunter S. Thompson
- HSTBHarry S Truman Building
- HSWHoward Scott Warshaw, computer game designer
- HTHarley Toberman
- HTHeather Thomas
- HTSHarry The Spider
- HUHoward Ungerleider
- HWHuang Wang
- HWHerbert Walker
- HWHugo Wolff
- HWHenry Washington
- HWAHerbert W Armstrong
- HWZHermann Weyl Zimmer (German mathematician who helped prove the Peter–Weyl theorem)
- IAIrwin Allen
- IAIssac Anderson, Judge
- IACMIndia Against Corruption Movement
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