Julio César Abbadie Gismero (7 September 1930 – 16 July 2014) was a Uruguayan footballer who played as a forward.

During his career, he played for Peñarol, where he won the 1966 Copa Libertadores and the 1966 Intercontinental Cup.

On 21 December 2004 he returned after 54 years to Genova, at Stadio Luigi Ferraris, during Serie B match against Empoli.

For the Uruguay national team, Abbadie obtained 26 caps between 1952 and 1966, scoring 14 goals.

[5] He participated in the 1954 FIFA World Cup and scored two goals in a group match against Scotland.