The IWGP Global Heavyweight Championship is a professional wrestling championship owned and promoted by the New Japan Pro-Wrestling (NJPW) promotion. "IWGP" are the initials of NJPW's governing body, the International Wrestling Grand Prix . The title was created to replace the now defunct IWGP United States Heavyweight Championship. The current champion is David Finlay, who is in his record-setting second reign. He defeated Nic Nemeth at Wrestling Dontaku: Night 2 on May 4, 2024 in Fukuoka, Japan.

New Japan Pro-Wrestling (NJPW) is a Japanese professional wrestling promotion founded on January 13, 1972, by Antonio Inoki, and based in Nakano, Tokyo. It is currently owned by card game company Bushiroad, while TV Asahi and Amuse, Inc. own minority shares of the company. Naoki Sugabayashi has served as the promotion's Chairman since September 2013, while Hiroshi Tanahashi has served as the president of the promotion since December 2023.