Martín Seri (born 9 December 1983 in , Santa Fe) is an Argentine football midfielder, who played for many football teams in Argentina.He is characterized for his ability to play different positions. Seri was a youngster in the Newell's Old Boys youth team, when he was loaned to Atlético Tucumán in the regionalised 3rd division for the 2004-2005 season. Seri made his debut for Newell's in November 2005.