Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The IWGP Junior Heavyweight Championship is a professional wrestling junior heavweight championship owned by the New Japan Pro Wrestling (NJPW) promotion. "IWGP" is the acronym of NJPW's governing body, the International Wrestling Grand Prix. The title was introduced on February 6, 1986 at a NJPW show. Only wrestlers under the junior heavyweight weight-limit may hold the championship. NJPW currently controls two junior heavyweight championships: the IWGP Junior Heavyweight Championship and the IWGP Junior Heavyweight Tag Team Championship.