Triangle Derby I in Osaka ~ Day 1 was a professional wrestling event promoted by World Wonder Ring Stardom, held on January 14, 2023, at EDION Arena Osaka No.2 in Osaka, Japan. It was the fifth event for the first-ever Triangle Derby, a round-robin six-woman tag team tournament created by the company.
Yuria Tauchi
Natsumi Takagi
Saki Watanabe
Maya Yukihi
Ram Kaicho
Maika Ozaki
Eimi Gloria Matsudo
Mai Sakurai
Thekla Kaischauri
Syuri Kondo
Mirai Ito
Ami Miura
Utami Hayashishita
Saya Kamitani
Azumi
Risa Okuda
Suzu Suzuki
Hiragi Kurumi
Nanae Takahashi
Yuu
Yuna Mizumori
Mina Shirakawa
Mariah May Mead
Xia-Louise Brooks
Reo Hazuki
Koguma
Saya Iida
Maika
Hana Arita
Chie Nagatani
Starlight Kid
Ruaka
Haruka Umesaki
Mayu Iwatani
Shieru Wakana
Waka Tsukiyama
Miyu Matsuda