Humberto de Jesús Sierra Sánchez (born July 21, 1960 in Envigado, Colombia) is a former Colombian professional footballer.
He was an assistant coach on the staff of the Mexican men's national soccer team that defeated Germany in the group stage of the 2018 World Cup before advancing to the knockout round.
He is currently the head coach of Club Deportivo La Equidad Seguros (also known as "La Equidad"), a Colombian football team based in Bogotá and playing in the Categoría Primera A (also known as "Liga Águila").