IWGP World Heavyweight Championship

Statistics
First champion(s)	Kota Ibushi
Most reigns	Kazuchika Okada and Tetsuya Naito ; (2 reigns)
Longest reign	Sanada; (271 days)
Shortest reign	Kota Ibushi; (31 days)
Oldest champion	Tetsuya Naito; (42 years and 8 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 IWGP World Heavyweight Championship belt
Details
Promotion	New Japan Pro-Wrestling
Date established	March 1, 2021
Current champion(s)	Tetsuya Naito
Date won	June 30, 2024
Other name(s)
	IWGP World Heavyweight Championship; (2021-present);
First champion(s)
Statistics
First champion(s)	Kota Ibushi
Most reigns	Kazuchika Okada and Tetsuya Naito ; (2 reigns)
Longest reign	Sanada; (271 days)
Shortest reign	Kota Ibushi; (31 days)
Oldest champion	Tetsuya Naito; (42 years and 8 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).^[1] The championship was created on March 1, 2021, by the unification of the IWGP Heavyweight Championship and the IWGP Intercontinental Championship. The current champion is Tetsuya Naito, who is in his record-tying second reign.