| Acronym | Definition |
|---|
| VOI | Voice of India (TV show; India) |
| VOI | Vehicle of Interest |
| VOI | Versatile Optical Interface |
| VOI | Volumes of Interest |
| VOI | Voice File |
| VOI | Voice Over Internet |
| VOI | Volume of Interest (medical imaging) |
| VOI | Venus Orbit Insertion (NASA) |
| VOI | Value of Information (decision making) |
| VOI | Value of Investment |
| VOI | Voice of Islam |
| VOI | Voice of Information |
| VOI | Voice of Iraq (radio station) |
| VOI | Vlaamse Openbare Instelling (Dutch: Flemish Public Institution; Belgium) |
| VOI | Vendor Owned Inventory |
| VOI | Verification of Income |
| VOI | Vessel of Interest |
| VOI | Voices of Insanity (gaming clan) |
| VOI | Visual Operator Instruction |