Mariano Esteban Uglessich (born November 6, 1981 in Buenos Aires) is an Argentine football defender, who currently plays with Argentine first division Club Atletico Velez Sarsfield.
He started playing at Velez Sarsfield youth divisions, to debute professionally on February 22, 2002. He played very briefly for Mexican second division Queretaro FC in the first quarter of 2004, but after that returned to Velez Sarsfield.
Of Croatian origin, originally his lastname was probably Uglješic.
