NJPW New Japan Cup 2019 - Night 4 was a professional wrestling event promoted by New Japan Pro-Wrestling (NJPW) that took place on March 11, 2019 in Takamatsu, Kagawa, Japan at the Takamatsu City 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.
- BULLET CLUB (Bad Luck Fale, Chase Owens, HIKULEO & Taiji Ishimori) (w/ Jado) defeat Juice Robinson, Michael Elgin, YOSHI-HASHI & Yuya Uemura (9:00)
- Los Ingobernables de Japon (BUSHI, EVIL, Shingo Takagi & Tetsuya Naito) defeat Hiroyoshi Tenzan, Manabu Nakanishi, Ren Narita & Yuji Nagata (9:22)
- Kota Ibushi & Tomoaki Honma defeat Suzuki-gun (TAKA Michinoku & Zack Sabre Jr.) (9:39)
- CHAOS (Tomohiro Ishii & Will Ospreay) defeat Suzuki-gun (Lance Archer & Taichi) (9:48)
- Mikey Nicholls, Ryusuke Taguchi & Toa Henare defeat Hiroshi Tanahashi, Kazuchika Okada & Shota Umino (10:50)
- Toru Yano defeats Davey Boy Smith Jr. (5:30) in a New Japan Cup 2019 First Round Match
- Colt Cabana defeats Togi Makabe (7:26) om a New Japan Cup 2019 First Round Match
- Minoru Suzuki defeats Satoshi Kojima (13:43) in a New Japan Cup 2019 First Round Match
- SANADA defeats Hirooki Goto (20:47) in a New Japan Cup 2019 First Round Match