| Acronym | Definition |
|---|
| HCK | Hemopoietic Cell Kinase |
| HCK | Howard Combat Kimonos (Howard Liu Enterprises) |
| HCK | Hemopoetic Cell Kinase |
| HCK | Hawthorne Cedar Knolls (schools in Hawthorne, NY) |
| HCK | Hindu Council of Kenya |
| HCK | Historical Confederation of Kentucky |
| HCK | Hope Chapel Kapolei |
| HCK | Hospice Care Kenya |
| HCK | Hard Core Killers (gaming clan) |
| HCK | Hermit Crab Kit |
| HCK | Hat Check Kelly |
| HCK | Hill Country Karate (Texas) |
| HCK | Heritage Community of Kalamazoo |
| HCK | HID Conversion Kit |
| HCK | Hythe Christian Kids |
| HCK | Human Cervical Keratinocyte (cells) |
| HCK | Handcuff Key |
| HCK | Hope Chapel Kauai (Hawaii) |
| HCK | Hope Chapel Kaua |
| HCK | Hospital Compressor Kit |
| HCK | Hemp Cutter Knife |
| HCK | Handfree Car Kit |
| HCK | Hadnot Creek Kennels (Swansboro, NC) |
| HCK | Hestius Cretale Kinnisvara |
| HCK | Helmet Camera Kit |
| HCK | Helsingin Canastakerho |
| HCK | Home Collection Kit |
| HCK | Horizontal Component Kit |