Sean James Marshall (born April 11, 1985) is an American former professional basketball player.

[1] After going undrafted in the 2007 NBA draft, Marshall signed with Pınar Karşıyaka of the Turkish Basketball League for the 2007–08 season.

[2] In June 2008, Marshall signed a one-year deal with Aris Thessaloniki of the Greek Basket League.

[17] Two days later, he signed with Telekom Baskets Bonn of Germany for the rest of the 2015–16 Basketball Bundesliga season.

[19] On July 7, 2016, Marshall signed a one-year deal with Eskişehir Basket of the Turkish Basketball First League.

They reached the West Regional Championship Game before losing to eventual tournament runner-up Eberlein Drive.