Yuki Kobayashi (小林 友希, Kobayashi Yūki, born 18 July 2000) is a Japanese professional footballer who plays as a centre-back for Liga Portugal 2 club Portimonense.

Kobayashi joined J1 League club Vissel Kobe from its youth team in 2018.

On 23 November 2022, it was announced that Kobayashi would join Scottish club Celtic on a five-year deal, becoming available for registration on 1 January 2023.

[3] On 18 January 2023, he made his debut for the club starting in a 4–0 victory against St Mirren in the Scottish Premiership.

This biographical article related to a Japanese association football defender born in the 2000s is a stub.