Shay-Oren Smadja (Hebrew: אורן סמדג'ה; born 20 June 1970) is an Israeli judo coach and former competitive judoka.

[4] Smadja was nominated as the national coach of the Israeli men's judo team in 2010.

In 2024, on his birthday his son Omer, a reservist soldier in the Israel Defense Forces, fought and fell in action in the Gaza Strip during the Israel-Hamas war.

[13] When one month later Israeli judoka Peter Paltchik won a medal at the 2024 Paris Olympics, he dedicated it to Smadja’s son.

[14] In 2008, Smadja competed in the 4th season of Israel's Rokdim Im Kokhavim ('Dancing with the Stars'), where he was eliminated 3rd (out of 12 couples).