Mariano Sebastián Brau (born July 10, 1982, in Avellaneda, Argentina) is an Argentine former professional footballer who played as a defender.

Teams Arsenal de Sarandí 2003–2007 Estudiantes Tecos 2007 Arsenal de Sarandí 2007–2009 All Boys 2010–2011 Oriente Petrolero 2011–2016 Royal Pari 2018–2020

Honours Arsenal de Sarandí Copa Sudamericana: 2007 Suruga Bank Championship: 2008

References