Kenta Hayashi (林 健太, Hayashi Kenta, born 17 August 1994) is a Japanese kicboxer, currently competing in the super lightweight division of K-1. A professional competitor since 2013, he is the former Bigbang and K-1 lightweight champion, as well as the 2018 K-1 World Grand Prix winner. Combat Press ranked him in the super bantamweight top ten between September 2020 and June 2021. He was ranked in the bantamweight top ten between January 2019 and August 2020, peaking at #1 between June 2019 and April 2020.