is a Japanese professional footballer who plays as a centre-back for Ekstraklasa club Jagiellonia Biaà Âystok.
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. On 18 January 2023, he made his debut for the club starting in a 4âÂÂ0 victory against St Mirren in the Scottish Premiership.
On 24 August 2024, Kobayashi joined Portimonense.
On 3 July 2025, Kobayashi moved to Polish club Jagiellonia Biaà Âystok on a three-year deal, with an option for a fourth year.
Kobayashi was born in Hyogo Prefecture.
Celtic