Ladislao Mazurkiewicz Iglesias (Spanish pronunciation: [laðisˈlao masurˈkjeβitʃ]; 14 February 1945 – 2 January 2013) was a Uruguayan football goalkeeper of the 1960s and 1970s.
He helped the Uruguay national team qualify for the semifinals of the 1970 World Cup, where the charrúas were stopped by the eventual champion, Brazil. He was elected the best goalkeeper of that tournament. He also played for the Brazilian side Atlético Mineiro.
During his international career (1965–74), he earned a total of 36 appearances with the national team of his native Uruguay. He coached Peñarol from 1988–89.
His father was Polish and mother Spanish. Though of Polish ancestry, he did not know Polish and never visited Poland.
He died on 2 January 2013 in Montevideo, Uruguay, aged 67, from undisclosed causes. He is buried at Parque del Recuerdo cemetery.