| 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) |