Julio César Cáceres López (pronounced [ˈxuljo ˈsesaɾ ˈkaseɾes ˈlopes]; born 5 October 1979) is a Paraguayan football manager and former player who played as a defender.

[2] Cáceres played in the Paraguay national team for nearly 11 years, being part of the 2002, 2006 and 2010 FIFA World Cup squads.

In the 1999 season, teammates in the Olimpia squad were Denis Caniza, Ruben Maldonado, Carlos Humberto Paredes, Gustavo Neffa, Roque Santa Cruz and Richart Baez.

Cáceres played in both legs of the 2002 Copa Libertadores Final as Olimpia defeated Brazilian club São Caetano in July.

[5] As Copa Libertadores winners, Olimpia faced Real Madrid in Yokohama in the 2002 Intercontinental Cup which they lost 2-0 as Caceres played an entire 90 minutes of the match.

In January 2006, he moved to Argentina, signing for River Plate on loan, where he quickly became a key player and squad captain.

[13] Later in 2006 he spent two months in Spain, from October to December, with Catalan club Gimnàstic de Tarragona in La Liga where he made eleven league appearances.

He made his league debut in a 2–1 defeat at Tecos on 20 January 2007 and scored his first goal for the club on 3 March in a 3–2 win over Chiapas.

[16] On 14 May he scored Boca's first goal as they were held to a 2–2 home draw by Mexican club Atlas in the quarter-finals of the 2008 Copa Libertadores[17] In October 2008 Cáceres had a very public conflict with Boca teammate Juan Román Riquelme, when in an interview on a Paraguayan radio station in Asunción, where he was training with his national team, Cáceres questioned Riquelme's motivation.

"[18] However, after Boca won the Superclásico derby match over Buenos Aires rivals River Plate 1–0 at El Monumental on 21 October 2008, Cáceres said that the conflict "has been left behind", adding that the relationship between the two players had improved.

[20] On 14 January 2011 Cáceres returned to his first professional club Olimpia from Atletico Mineiro when he signed a two-year contract.

On 8 June 2005 he scored Paraguay's third goal as they beat Bolivia 4–1 at the Estadio Defensores del Chaco, Asunción in a South American qualification match for the 2006 World Cup.