NJPW G1 Climax 2019 - Night 16 was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on August 8, 2019 in Yokohama, Kanagawa, Japan at the Yokohama Cultural Gymnasium. It was broadcast on NJPW World.
- Numbers in parentheses indicate the length of the match.
- (c) refers to the champion(s) heading into the match.
- Ren Narita & Shota Umino defeated Yota Tsuji & Yuya Uemura (5:39)
- BULLET CLUB (Bad Luck Fale, Chase Owens & Yujiro Takahashi) defeated Los Ingobernables de Japon (BUSHI, EVIL & SANADA) (7:50)
- Suzuki-gun (Lance Archer, Minoru Suzuki & Zack Sabre Jr.) defeated Clark Connors, Karl Fredericks & KENTA (7:17)
- CHAOS (Kazuchika Okada & YOSHI-HASHI) & Hiroshi Tanahashi defeated Kota Ibushi, Toa Henare & Will Ospreay (7:20)
- Toru Yano  defeated Taichi  by Count Out (5:04) in a G1 Climax 2019 Block B Match
- Tetsuya Naito  defeated Jeff Cobb  (12:47) in a G1 Climax 2019 Block B Match
- Hirooki Goto  defeated Jon Moxley  (8:38) in a G1 Climax 2019 Block B Match
- Jay White  defeated Juice Robinson  (23:01) in a G1 Climax 2019 Block B Match
- Shingo Takagi  defeated Tomohiro Ishii  (22:41) in a G1 Climax 2019 Block B Match
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