| Acronym | Meaning |
| ASD(SO/LIC) | (U.S.) (Special Operations & Low-Intensity Conflict) |
| AFCEA | Armed Forces Communications And Electronics Association |
| RV | Reconnaissance Vehicle - Recreational Vehicle - Re-entry Vehicle |
| CCOC | Canadian Children's Opera Chorus |
| PWLC | PieceWise Linear And Concave/Convex (describing A Mathematical Function) |
| YJ | Yottajoule |
| MLT | Malta (ISO 3166 Trigram) |
| HORECA | Hotel |
| ACT | R/PM -ACT-R/Perceptual-Motor (cognitive Model) |
| LSST | Large Synoptic Survey Telescope |