Wrestle Kingdom 12 in Tokyo Dome was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW). The event took place on January 4, 2018, at the Tokyo Dome in Tokyo, Japan. It was the 27th January 4 Tokyo Dome Show. The show was headlined by Kazuchika Okada defending the IWGP Heavyweight Championship against Tetsuya Naito. The second match of the show's "double main event" saw Kenny Omega defend the IWGP United States Heavyweight Championship against Chris Jericho in a no disqualification match. Six other title matches also took place on the show. All in all, the event featured ten matches (including one on the pre-show).
Kazuchika Okada
Tetsuya Naito
Tyson Smith
Chris Irvine
Hiroshi Tanahashi
Jamie White
Martin Scurll
Yujiro Kushida
Hiromu Takahashi
William Ospreay
Minoru Suzuki
Hirooki Goto
Harry Smith
Lance Hoyt
Takaaki Watanabe
Seiya Sanada
Cody Rhodes
Kota Ibushi
Fale Simitaitoko
Alipate Aloisio Leone
Tevita Fifita
Joseph Robinson
Ryusuke Taguchi
Togi Makabe
Todd Smith
Raymond Rowe
Aaron Frobel
Gregory Marasciulo
Tomohiro Ishii
Toru Yano
Maki Taichiro
Takashi Iizuka
Luke James Uggles Eatwell
Sho Tanaka
Yohei Komatsu
Matthew Massie
Nicholas Massie
Satoshi Kojima
William Hunter Johnston
Keiichi Yamada
Takao Yoshida
Hiroyoshi Yamamoto
Yuji Nagata
Yoshinobu Kanemaru
Manabu Nakanishi
Yoshihiro Yamazaki
Masahito Kakihara
Yujiro Takahashi
Tetsuya Shimizu
Nobuo Yoshihashi
Kyosuke Mikami
Steven Owens
David Stephen Finlay III
Brandel Littlejohn
Adam Kostovski
Aaron Henry
Katsuya Kitamura
Taula Fifita