José Nadson Ferreira (born 18 October 1984), commonly known as Nadson, is a Brazilian former footballer who played as a centre-back.
On 14 December 2012, Genk announced the extension of Nadson's contract until June 2015.
On 31 August 2013, Nadson joined PFC Krylia Sovetov Samara. He left Krylia Sovetov in January 2019.
On 3 March 2019, he signed with Finnish club SJK. On 20 July 2020, he terminated his contract and left the club.