Ernesto Mascheroni

Ernesto Alberto Mascheroni Castiglioni (; 21 November 1907 – 3 July 1984) was a footballer from Uruguay. Born in Montevideo, Ernesto was a defender. He played as a left-back.

He played 13 times for the Uruguay between 1929 and 1939, including in the 1930 FIFA World Cup where Uruguay won the first ever World Cup tournament. In 1934, he moved to Italy to play for Ambrosiana (now Inter Milan) until 1936. During this period, he represented the Italy national football team, twice winning the 1933–35 Central European International Cup. He later returned to Uruguay to play for C.A. Peñarol from 1936 to 1940.

By the time of his death in July 1984, at the age of 76, he was the last surviving member of Uruguay's 1930 World Cup winning team; though it would be another 26 years before the death of the last surviving participant of that World Cup.

Honours Peñarol Primera División (AUF): 1936, 1937, 1938

International

Uruguay FIFA World Cup: 1930 South American Championship: Runner-up 1939

Italy Central European International Cup: 1933-35