Ezequiel Osvaldo Maderna (born October 1, 1986) is an Argentine professional boxer.
He is also a former Olympian for Argentina in the men's middleweight division.
2006
At the South American Games 2006 he won bronze when he lost 7:9 to Alfonso Blanco.
At the second Olympic qualifier he beat three fighters including Clarence Joseph then lost to fellow-qualifier Shawn Estrada but got his ticket anyway.
In Beijing he lost his rematch with Estrada in his first bout.
2008
On December 6, 2008 Maderna won his pro debut against veteran Guillermo Pablo Armani.
