Julio César Ribas Vlacovich (born January 8, 1957) is a Uruguayan association football manager and former footballer.

[2] Ribas was appointed the manager of Primera Division Uruguaya side Peñarol in January 2009.

[3] Following the Oman national football team's defeat against Japan in the 2010 FIFA World Cup qualifiers, the Omani Football Association sacked Ribas, due to the result and the performance of the team in that match.

He is the father of footballer Sebastián Ribas who plays for Montevideo City.

This biographical article about a football midfielder from Uruguay born in the 1950s is a stub.