OBK (disambiguation)

OBK may refer to:
 * OBK, a Spanish synthpop music group
 * obk, the ISO 639 code for Bontoc language
 * !OBK, the 1988 album by KBO!
 * Our Big Kitchen, a charity based in Sydney
 * Oberbergischer Kreis, a district in the state of North Rhine-Westphalia, Germany