Pornchai Thongburan (Thai: พรชัย ทองบุราณ; RTGS: Phonchai Thongburan; born July 1, 1974) is a boxer from Thailand who competed in the Light Middleweight (– 71 kg) at the 2000 Summer Olympics and won the bronze medal.

• 1st round bye
• Defeated Karoly Balzsay (Hungary) 17-12
• Defeated Mohamed Hekal (Egypt) 15-9
• Lost to Marian Simion (Romania) 16-26

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