HOK
| Acronym | Definition |
|---|---|
| HOK | Hellmuth, Obata + Kassabaum, Inc. |
| HOK | Head Office Karachi (Banking Services Corporation; Pakistan) |
| HOK | House of Krazees (band) |
| HOK | Hamilton Osborne King (real estate; Europe) |
| HOK | Henie-Onstad Kunstsenter (Norwegian: Henie-Onstad Art Center) |
| HOK | House of Keys |
| HOK | Hærens Operative Komando (DK) |
| HOK | Huldenbergse Oldtimer Klub (Dutch: Huldenberg Oldtimer Club; vintage automobile club; Huldenberg, Belgium) |