Eligio Silvestre Echagüe Delgado (31 December 1938 – 6 December 2009)^[1][2] was a Paraguayan football defender; most commonly playing in the left-back position.

Echagüe started his career at Club Adolfo Riquelme from his hometown, Concepción. In 1947, he was transferred to Olimpia Asunción and made his debut in the first team squad in 1950. He was part of the Olimpia team that won five consecutive titles coached then by the great Aurelio González.^[3] Echagüe played for the Paraguay national football team in several occasions, most notably in the 1958 FIFA World Cup.^[4]