Ian Seidenfeld (born July 17, 2001) is an American para table tennis player.

Seidenfeld represented the United States at the 2020 Summer Paralympics in the men's singles C6 event and won a gold medal.

[3] Seidenfeld represented the United States at the 2023 Parapan American Games and won a gold medal in the men's singles C6 event.

[4] He represented the United States at the 2024 Summer Paralympics and won a bronze meal in the men's singles C6 event.

[7] His father and coach, Mitchell Seidenfeld, is a former Para table tennis player and gold medalist.