New Japn Pro Wrestling

=== IWGP Heavyweight Championship ===
# 	Wrestlers 	Reign	Date 	Days held	Location 	Event 	Notes
1 	Antonio Inoki 	1 	June 12, 1987 	325 	Tokyo, Japan 	IWGP Champion Series 1987 	
— 	Vacated 	— 	May 2, 1988 	— 	— 	— 	Vacated due to Inoki fracturing his left foot.
2 	Tatsumi Fujinami 	1 	May 8, 1988 	351 	Tokyo, Japan 	Wrestling Dontaku 	Fujinami defeated Big Van Vader to win the vacant title.
3 	Big Van Vader 	1 	April 24, 1989 	482 	Tokyo, Japan 	Sakura Genesis 	
4 	Riki Choshu 	1 	August 19, 1990 	129 	Tokyo, Japan 	Battle Satellite 	
5 	Tatsumi Fujinami 	2 	December 26, 1990 	374 	Hamamatsu, Japan	Battle Final 	
6 	Riki Choshu 	2 	January 4, 1992 	225 	Tokyo, Japan 	Wrestle Kingdom I 	This match was also for Choshu's Greatest 18 Championship.
7 	The Great Muta 	1 	August 16, 1992 	400 	Fukuoka, Japan 	Battle Satellite 	This was also for Choshu's Greatest 18 Championship.
8 	Shinya Hashimoto 	1 	September 20, 1993	592 	Nagoya, Japan 	Destruction 	
9 	Keiji Mutoh 	2 	May 3, 1995 	246 	Fukuoka, Japan 	Wrestling Dontaku 1995 	Mutoh previously won the title as The Great Muta.
10	Nobuhiko Takada 	1 	January 4, 1996 	116 	Tokyo, Japan 	Wrestle Kingdom 5 	
11	Shinya Hashimoto 	2 	April 29, 1996 	489 	Tokyo, Japan 	Sakura Genesis  	
12	Kensuke Sasaki 	1 	August 31, 1997 	216 	Yokohama, Japan 	Battle Satellite 	
13	Tatsumi Fujinami 	6 	April 4, 1998 	126 	Tokyo, Japan 	Sakura Genesis 	
14	Masahiro Chono 	1 	August 8, 1998 	44 	Osaka, Japan 	Rising the Next Generation 	
— 	Vacated 	— 	September 21, 1998	— 	— 	— 	Title was vacated due to Chono's neck injury.
15	Keiji Mutoh 	3 	September 23, 1998	443 	Yokohama, Japan 	Destruction 	Norton defeated Yuji Nagata to win the vacant title.
16	Kensuke Sasaki 	1 	December 10, 1999 	304 	Osaka, Japan 	Battle Final 1999 	
17	Genichiro Tenryu 	1 	October 9, 2000 	182 	Tokyo, Japan 	King of Pro-Wrestling 	
18	Kazuyuki Fujita 	1 	April 9, 2001 	270 	Osaka, Japan 	Sakura Genesis 	
— 	Vacated 	— 	January 4, 2002 	— 	— 	— 	Title was vacated due to Fujita injured achilles tendon.
19	Yuji Nagata 	1 	February 16, 2002 	440 	Tokyo, Japan 	The New Beginning 	Nagata defeated Yasuda in a tournament final to win the vacant title.
20	Yoshihiro Takayama	1 	May 2, 2003 	185 	Tokyo, Japan 	Wrestling Dontaku 	
21	Shinsuke Nakamura 	1 	November 3, 2003 	94 	Yokohama, Japan 	Power Struggle 	
— 	Vacated 	— 	February 5, 2004 	— 	— 	— 	Title was vacated due to Nakamura suffering an injury.
22	Hiroyoshi Tenzan 	1 	February 15, 2004 	111 	Tokyo, Japan 	The New Beginning  	Tenzan defeated Genichiro Tenryu in a tournament final for the vacant title.
23	Kazuyuki Fujita 	2 	June 5, 2004 	126 	Osaka, Japan 	Dominion 	
24	Satoshi Kojima 	1 	October 9, 2004 	364 	Tokyo, Japan 	King of Pro-Wrestling  	
25	Brock Lesnar 	1 	October 8, 2005 	280 	Tokyo, Japan 	King of Pro-Wrestling  	This was a three-way match, also involving Masahiro Chono.
26	Kurt Angle 	1 	July 17, 2006 	270 	Sapporo, Japan 	G1 Climax 2006 	
27	Hiroshi Tanahashi 	1 	April 13, 2007 	178 	Osaka, Japan 	Sakura Genesis 	
28	Hiroshi Tanahashi 	2 	October 8, 2007 	266 	Tokyo, Japan 	Explosion '07 	
29	Shinsuke Nakamura 	2 	January 4, 2008 	114 	Tokyo, Japan 	Wrestle Kingdom 17 	
30	Keiji Mutoh 	4 	April 27, 2008 	252 	Osaka, Japan 	Sakura Genesis 	
31	Hiroshi Tanahashi 	3 	January 4, 2009 	225 	Tokyo, Japan 	Wrestle Kingdom 18 	
— 	Vacated 	— 	August 17, 2009 	— 	— 	— 	Title vacated due to Tanahashi fracturing his eye socket.
32	Shinsuke Nakamura 	3 	September 27, 2009	218 	Kobe, Japan 	Destruction 	Nakamura defeated Togi Makabe to win the vacant title.
33	Togi Makabe 	1 	May 3, 2010 	246 	Fukuoka, Japan 	Wrestling Dontaku 	
34	Hiroshi Tanahashi 	5 	January 4, 2011 	404 	Tokyo, Japan 	Wrestle Kingdom V in Tokyo Dome	
35	Kazuchika Okada 	1 	February 12, 2012 	125 	Osaka, Japan 	The New Beginning 	
36	Hiroshi Tanahashi 	6 	June 16, 2012 	295 	Osaka, Japan 	Dominion 6.16 	
37	Kazuchika Okada 	2 	April 7, 2013 	391 	Tokyo, Japan 	Invasion Attack 	
38	A.J. Styles 	1 	May 3, 2014 	163 	Fukuoka, Japan 	Wrestling Dontaku 2014 	
39	Hiroshi Tanahashi 	7 	October 13, 2014 	121 	Tokyo, Japan 	King of Pro-Wrestling 	
40	A.J. Styles 	2 	February 11, 2015 	144 	Osaka, Japan 	The New Beginning in Osaka 	
41	Kazuchika Okada 	3 	July 5, 2015 	280 	Osaka, Japan 	Dominion 7.5 in Osaka-jo Hall 	
42	Tetsuya Naito 	1 	April 10, 2016 	153 	Tokyo, Japan 	Invasion Attack 2016 	
43	Kazuchika Okada 	4 	September 10, 2016	274 	Osaka, Japan 	Destruction 	
44	Kenny Omega 	1 	June 11, 2017 	 	Osaka, Japan 	Dominion