| Acronym | Definition |
|---|
| HOL | High(er) Order Language |
| HOL | Holiday |
| HOL | Hollywood (Amtrak station code; Hollywood, FL) |
| HOL | Holland |
| HOL | House of Lords |
| HOL | Hands on Learning (various locations) |
| HOL | Hardware Online (Danish portal) |
| HOL | House of Luck (gaming) |
| HOL | House of Leaves (Mark Z. Danielewski novel) |
| HOL | Human Occupied Landfill (role-playing game) |
| HOL | Hall of Light (database of Amiga games) |
| HOL | Hellas Online (Greece) |
| HOL | Higher Order Logic |
| HOL | Higher Order Language |
| HOL | Hands-On Labs |
| HOL | Haha Out Loud |
| HOL | High Order Language |
| HOL | Head of Line |
| HOL | Holiday & Leave |
| HOL | Heart of Love |
| HOL | High On Life |
| HOL | Halls of Lightning (World of Warcraft) |
| HOL | Hogwarts Online (Harry Potter books virtual school) |
| HOL | Hammer of Light (FreeSpace game) |
| HOL | Holy Order of the Light (gaming guild) |
| HOL | Harrison's Online |
| HOL | HardOp Lachen (Dutch: Laughing Out Loud) |
| HOL | Head of Laboratory |
| HOL | Height of Lift (cranes/lifting equipment) |
| HOL | Harvick Online (Nascar driver website) |
| HOL | Higher Order Loss (fiber optic cable) |
| HOL | Harbingers of Lloth (World of Warcraft guild) |
| HOL | Hungary Online List |
