IWGP World Heavyweight Championship

Statistics
First champion	Kota Ibushi
Most reigns	Kazuchika Okada and Tetsuya Naito ; (2 reigns)
Longest reign	Sanada; (271 days)
Shortest reign	Kota Ibushi; (31 days)
Oldest champion	Hirooki Goto; (45 years, 7 months and 17 days)
Youngest champion	Will Ospreay; (27 years, 10 months and 28 days)
Heaviest champion	Kazuchika Okada; (236 lb (107 kg))
Lightest champion	Kota Ibushi; (205 lb (93 kg))

IWGP World Heavyweight Championship
IWGP World Heavyweight Championship
	The championship belt
Details
Promotion	New Japan Pro-Wrestling
Date established	March 1, 2021
Current champion	Hirooki Goto
Date won	February 11, 2025
First champion
Statistics
First champion	Kota Ibushi
Most reigns	Kazuchika Okada and Tetsuya Naito ; (2 reigns)
Longest reign	Sanada; (271 days)
Shortest reign	Kota Ibushi; (31 days)
Oldest champion	Hirooki Goto; (45 years, 7 months and 17 days)
Youngest champion	Will Ospreay; (27 years, 10 months and 28 days)
Heaviest champion	Kazuchika Okada; (236 lb (107 kg))
Lightest champion	Kota Ibushi; (205 lb (93 kg))

The IWGP World Heavyweight Championship (IWGP世界ヘビー級王座, IWGP Sekai hebī-kyū ōza) is a professional wrestling world heavyweight championship owned by the New Japan Pro-Wrestling (NJPW) promotion. "IWGP" is the acronym of NJPW's governing body, the International Wrestling Grand Prix (インターナショナル・レスリング・グラン・プリ, intānashonaru resuringu guran puri). The championship was created on March 1, 2021, by the unification of the IWGP Heavyweight Championship and the IWGP Intercontinental Championship. The reigning champion is Hirooki Goto, who is in his first reign.