ONE Fight Night 19: Haggerty vs. Lobo was a combat sport event produced by ONE Championship that took place on February 17, 2024, at Lumpinee Boxing Stadium in Bangkok, Thailand.

[1][2] A ONE Bantamweight Muay Thai World Championship bout between current champion Jonathan Haggerty (also the ONE Bantamweight Kickboxing Champion and former ONE Flyweight Muay Thai Champion) and Felipe Lobo headlined the event.

[3] A women's strawweight bout between Wondergirl Jaroonsak and Dayane de Souza Cardoso was expected to take place at the event.

The fight was scheduled a mixed-rules that round 1 & 3 a Muay Thai rule and round 2 & 4 a MMA rule.

[4] However, Cardoso pulled out for unknown reason and was replaced by Martyna Kierczynska in a Muay Thai rule.