Mario Sánchez Yantén (born 22 July 1956) is a retired Chilean football referee.
He refereed two matches in the 1998 FIFA World Cup in France: Nigeria's 1âÂÂ0 win over Bulgaria, and South Africa's 2âÂÂ2 draw with Saudi Arabia. He also officiated the 2000 Summer Olympics in Sydney and the 1998 Intercontinental Cup final.