KBI

KBI may refer to:
 * Budōkan (karate), or Karate Budokan International, a recognized style of Karate
 * Kansas Bureau of Investigation, the criminal investigative arm of the state of Kansas
 * Kentucky Department of Criminal Investigation, formerly known as the Kentucky Bureau of Investigation, a Kentucky investigative law enforcement agency
 * Knowledge Based Industrial, a company focused on the management of knowledge in a Knowledge economy