Leo Brian Kokubo (小久保 玲央 ブライアン, Kokubo Reo Buraian, born 23 January 2001) is a Japanese professional footballer who plays as a goalkeeper for Belgian team Sint-Truiden.

Kokubo was born in Japan to a Nigerian father and Japanese mother.

[1] In the 2024 AFC U-23 Asian Cup final, Kokubo saved penalty shot by Umarali Rakhmonaliev during stoppage time, helping Japan secure their 1–0 score against Uzbekistan, winning the competition for the second time in their history.

He was consequently named as "Man of the match" for his heroic performance in the final.

This biographical article related to a Japanese association football goalkeeper is a stub.