Wrestle Kingdom 20 was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on January 4, 2026, at the Tokyo Dome in Tokyo, Japan, featuring the official retirement match of Hiroshi Tanahashi versus his long-time rival Kazuchika Okada and a dual title match between IWGP World Heavyweight Champion Konosuke Takeshita and IWGP Global Heavyweight Champion Yota Tsuji.

Hiroshi Tanahashi
as Hiroshi Tanahashi

Kazuchika Okada
as Kazuchika Okada

Konosuke Takeshita
as Konosuke Takeshita

Yota Tsuji
as Yota Tsuji

Takaaki Watanabe
as EVIL

Aaron Phillip Wolf
as Aaron Wolf

Kyosuke Mikami
as El Desperado

Kosei Fujita
as Kosei Fujita

Taiji Ishimori
as Taiji Ishimori

Sho Tanaka
as SHO