Ramiro Martín Marino Carlomagno (born 16 November 1988 in Buenos Aires) is an Argentine professional BMX cyclist. He represented his nation Argentina, as a 19-year-old junior, at the 2008 Summer Olympics, and later claimed the bronze medal in the men's elite category at the 2009 UCI BMX World Championships in Adelaide, Australia, finishing behind the American duo and Olympic medalists Mike Day and Donny Robinson.