(born Juan Manuel José Domingo Ortiz de Rozas y López de Osornio; March 30, – March 14, 1877), was an Argentine caudillo who served as governor of the Buenos Aires province and Supreme Chief of the Argentine Confederation. He was born to a wealthy family in the Viceroyalty of the Río de la Plata, but became a successful cattle ranching businessman by his own determination. A controversial figure, Rosas' support for both democracy and authoritarianism has baffled critics and historians, who to this day hold opposing views of the caudillo.
(born October 28, 1978) is a field hockey forward from Argentina, who was a member of the Men's National Team that competed at the Champions Trophy in Amstelveen, Netherlands. He played club hockey for Banco Provincia in Buenos Aires.