| Acronym | Definition |
|---|
| KGB | Komitet Gosudarstvennoy Bezopasnosti (Committee for State Security, former USSR) |
| KGB | Kulturno Glasbeni Brlog (Slovenian: Cultural Musical Lair) |
| KGB | Kabeer Gbaja-Biamila (pro football player) |
| KGB | Knowledge Generation Bureau (New York) |
| KGB | Komitet Gosudarstvennoi Bezopasnosti (Russian: Comittee for Security of the State) |
| KGB | Ketchikan Gateway Borough |
| KGB | Killer Green Bud (slang for marijuana) |
| KGB | Known Good Board |
| KGB | Kids Gone Bad (various organizations) |
| KGB | Killing Gloves of Boxing (gaming, Team Fortress 2) |
| KGB | Knights Guild Battalion (gaming clan) |
| KGB | King George Bush |
| KGB | Kolio Gilan Band (band) |
| KGB | Knights of Glory and Beer (online role-playing guild) |
| KGB | Kapitulnik Geballe Beasley (Research Group at Stanford University) |
| KGB | Kronic Groove Band (Calgary, Alberta, Canada) |
| KGB | Kappa Gamma Beta |
| KGB | Kahlua, Grand Marnier, Bailey's Irish Cream (mixed drink) |
| KGB | Kalpatharu Grameena Bank |
| KGB | Kraine Gallery Bar (bar in East Village New York) |
| KGB | Knoxville Gaming Bureau (University of Tennessee, Knoxville) |
| KGB | Keep Geeks Busy (underground activities group for students at some VA and PA colleges and universities) |
| KGB | Kontrol Gruppe für Beschleuniger (Jozef Stefan Institute in Ljubljana, Slovenia) |
| KGB | Krishna Grameena Bank (India) |
| KGB | Kingston and George Bay Railroad |
| KGB | Kind Green Bud (marijuana variety) |
| KGB | Korean Girl Boarders (snowboarding club at the University of Washington) |