Sergio Valdés Silva (11 May 1933 – 2 April 2019) was a Chilean footballer. He played as a defender.
Valdés was born in Santiago. He played for played for Club Deportivo Universidad Católica and Deportes Magallanes. He also played for Chile in a third place finish at the 1962 FIFA World Cup.
Valdés died of leukaemia on 2 April 2019 in Algarrobo. He was 85.