| Acronym | Meaning |
| OSI | Office Of Strategic Influence - Ontario Swine Improvement - Open Source Initiative - Open Systems Interconnection |
| OAC | On Approved Credit |
| ATK | Attack |
| NZL | Noze Looan (online/event Listings) |
| RCA | Radio Corporation Of America - Root Cause Analysis - Royal Canadian Artillery - Royal City Avenue (famous Entertainment Zone In Thailand) |
| VNM | Vietnam (ISO 3166 Trigram) |
| EGCG | EpiGalloCatechin-3-Gallate |
| WR | Wide Receiver (football) |
| ATI | Allied Telesyn International |
| STDM | Statistical Time Division Multiplexing |