| Acronym | Meaning |
| UNGEGN | United Nations Group Of Experts On Geographic Names |
| IIT | Illinois Institute Of Technology - Indian Institutes Of Technology - Indiana Institute Of Technology |
| ACOBA | Advisory Committee On Business Appointments |
| QLD | Queensland |
| SNP | Single Nucleotide Polymorphism |
| UU | Unitarian Universalism - University Of Utah - Unseen University |
| MPAA | Motion Picture Association Of America |
| FE | Iron (Latin Ferrum) |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| TCCCS | Tactical Command |