| Acronym | Meaning |
 | PEN | Peruvian Sol (ISO 4217 Currency Code) -PolyEthylene Naphthalate |
| HJD | Heliocentric Julian Day |
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Russian Committee For State Security) (1954-1991) |
| PAFC | Plymouth Argyle Football Club |
| IST | Information System Technology - UCF Institute For Simulation And Training |
| BBS | Breeding Bird Survey (North America) - Brigade/Battalion Battle Simulation - Bulletin Board System |
| HR | Croatia (FIPS 10-4 Country Code; ISO 3166 Digram) -Harvard Revised Star Catalogue - Human Resources |
| DHL | Dalsey |
| SART | Situational Awareness Rating Technique |
| MLB | Major League Baseball |
Browse by Letter:
