ONE Fight Night 11: Eersel vs. Menshikov was a Combat sport event produced by ONE Championship that took place on June 10, 2023, at Lumpinee Boxing Stadium in Bangkok, Thailand.

[1] A ONE Lightweight Muay Thai World Championship bout between current champion Regian Eersel and newcomer Dmitry Menshikov headlined the event.

[2] A ONE Lightweight Submission Grappling World Championship bout between current champion Kade Ruotolo and challenger Tommy Langaker took place at the event.

[4] At weigh-ins, a muay thai bout between Martine Michieletto and Amber Kitchen was moved to a catchweight 129.25 pounds due to the pairing missing weight.

The bout proceeded at catchweight with Holzken being fined 30% of his purse, which went to his opponent Arian Sadiković.