Fabiano Eller dos Santos or simply Fabiano Eller (born 19 November 1977 in Linhares) is a Brazilian centre-back footballer.
In the 2006 season he played for Internacional while on loan from Trabzonspor. On 11 March 2007 Eller played his first game in La Liga, for Atlético Madrid against Deportivo La Coruña. He scored his first goal in La Liga, in an away match against Villarreal, on 8 April 2007.
In the 2009 season Eller returned to Internacional and won 2010 Copa Libertadores. After Copa Libertadores, Eller signed with Qatari side Al-Ahly.
He has one international cap, gained in a friendly match when Brazil played against Guatemala on 27 April 2005.