ONE Fight Night 34: Eersel vs. Jarvis

ONE Fight Night 34: Eersel vs. Jarvis was a combat sports event produced by ONE Championship that took place on August 2, 2025, at Lumpinee Boxing Stadium in Bangkok, Thailand. A ONE Lightweight Muay Thai World Championship bout between current champion (also former two-time ONE Lightweight Kickboxing World Champion) Regian Eersel and George Jarvis headlined the event.