KBK could refer to:
Grass Koiari language; ISO 639-3 language code KBK Karlsborgs BK, a bandy club in Sweden KBK Indian graphic news agency, Indian graphic news agency Keluarga Besar Purnawirawan, an Indonesian military veteran organization Kents Bank railway station, England; National Rail station code KBK Khamil Ghat railway station, India; Indian Railways station code KBK Klarenbeek railway station, Netherlands Køge BK, a football club in Denmark Kalahandi Balangir Koraput, a region in Orissa, India Kristiansund BK, a football club in Norway Kuurne–Brussels–Kuurne, a yearly bicycle race in Belgium Killer Be Killed, an American heavy metal band Karlstad BK, a Swedish football team