Date of Birth: 
Place of Birth: Bangkok, Thailand
About Wirat Wachirarattanawong
- Wirat Wachirarattanawong (Thai: ??????? ????????????; born: November 25, 1947 in Bangkok) is a Thai Muay Thai and professional boxing promoter.
- He is the founder and chairman of Petchyindee Boxing Promotion aka Diamond Boxing Promotion, a Muay Thai and professional boxing promotion company based in Bangkok.
- He has a nickname "Sia Nao" (?????????).
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