Champion(title reign): When Belt Was Won (Any Other Info)

Antonio Inoki: June 12th, 1987 (Inoki beat Masa Saito in the finals of the IWGP Tournament; Inoki broke his foot and had to vacate the title on May 2nd, 1988)

Tatsumi Fujinami: May 8th, 1988 (Fujinami defeated Big Van Vader to win the vacated title; title was held up on May 27th, 1988, after a match between Fujinami and Riki Choshu ended in a No-Contest)

Tatsumi Fujinami(2nd): June 24th, 1988 (Fujinami beat Riki Choshu in the rematch; belt vacated for tournament April 5th, 1989)

Big Van Vader: April 24th, 1989 (Vader beat Shinya Hashimoto in tournament finals)

Salman Hashimikov: May 25th, 1989

Riki Choshu: July 12th, 1989

Big Van Vader(2nd): August 10th, 1989

Riki Choshu(2nd): August 19th, 1989

Tatsumi Fujinami(3rd): December 26th, 1990

Big Van Vader(3rd): January 17th, 1991

Tatsumi Fujinami(4th): March 4th, 1991

Riki Choshu(3rd): January 4th, 1992

The Great Muta (Keiji Mutoh): August 16th, 1992

Shinya Hashimoto: September 20th, 1993

Tatsumi Fujinami(5th): April 4th, 1994

Shinya Hashimoto(2nd): May 1st, 1994

Keiji Mutoh(2nd): May 3rd, 1995

Nobuhiko Takada: January 4th, 1996

Shinya Hashimoto(3rd): April 29th, 1996

Kensuke Sasaki: August 31st, 1997

Tatsumi Fujinami(6th): April 4th, 1998

Masahiro Chono: August 8th, 1998 (Chono vacated on September 21, 1998, due to injures)

Scott Norton: September 23rd, 1998 (Norton beat Yuji Nagata to win the vacated belt)

Keiji Mutoh(3rd): January 4th, 1999

Genichiro Tenryu: December 10th, 1999

Kensuke Sasaki(2nd): January 4th, 2000 (Sasaki vacated the belt on October 9th, 2000, after losing a non-title match to Toshiaki Kawada)

Kensuke Sasaki(3rd): January 4th, 2001 (Sasaki defeated Toshiaki Kawada in tournament final)

Scott Norton(2nd): March 17th, 2001

Kazuyuki Fujita: April 9th, 2001 (Fujita vacated the title in December 2001 due to injuries)

Tadao Yasuda: February 16th, 2002 (Yasuda defeated Yuji Nagata in tournament final)

Yuji Nagata: April 5th, 2002

Yoshihiro Takayama: May 2nd, 2003

Hiroyoshi Tenzan: November 3rd, 2003

Shinsuke Nakamura: December 9th, 2003 (Nakamura vacated in January 2004 due to injury)

Hiroyoshi Tenzan(2nd): February 15th, 2004 (Tenzan defeated Genichiro Tenryu in tournament final)

Kensuke Sasaki(4th): March 12th, 2004

Bob Sapp: March 28th, 2004 (Sapp vacated the title in May 2004, due to leaving Japan)

Kazuyuki Fujita(2nd): June 5th, 2004 (Fujita defeated Hiroshi Tanahashi to win the title)

Kensuke Sasaki(5th): October 9th, 2004

Hiroyoshi Tenzan(3rd): December 12th, 2004

Satoshi Kojima: February 20th, 2005

Hiroyoshi Tenzan(4th): May 14th, 2005

Kazuyuki Fujita(3rd): July 18th, 2005

Brock Lesnar: October 8th, 2005 (Lesnar won a "Three Way" Match over Kazuyuki Fujita and Masahiro Chono; Lesnar was stripped on July 15th, 2006, due to contractual issues)

Hiroshi Tanahashi: July 17th, 2006 (Tanahashi defeated Giant Bernard in tournament final)

Yuji Nagata(2nd): April 13th, 2007

Hiroshi Tanahashi(2nd): October 8th, 2007

Shinsuke Nakamura(2nd): January 4th, 2008 (beat Kurt Angle on 2/17/08 to 'unify' IWGP Titles)