Pablo Horacio Guiñazú (born 26 August 1978) is an Argentine football manager and former player.

A hard-working defensive midfielder, Guiñazú played for a number of clubs in Argentina, Italy, Russia, Paraguay and Brazil, and represented the Argentina national team in 2003, being called up again for the second leg of the 2011 Superclásico de las Américas.

Guiñazu started his professional career with Newell's Old Boys in 1996. He played over 100 games for the club before joining Italian side Perugia. He returned to Argentina in 2001 to play for Independiente, where he was part of the Apertura 2002 championship team.

In 2003, he returned to Newell's Old Boys before joining Russian team Saturn. After one season in Russia he returned to South America to play for Libertad in Paraguay. He was part of the team that won the Paraguayan Primera División in 2006.

In 2007 Guiñazu joined Internacional in Brazil. On 4 January 2013, he terminated his contract with Internacional for private reasons, and returned to Libertad.

He returned to Argentina in 2016 after signing for Talleres de Córdoba.^[1] After more than six years without scoring a goal, Guiñazú scored the goal that gave Talleres promotion to Argentine Primera División after a 12-year absence.^[2]

On 1 March 2019, Guiñazú announced his retirement after Talleres failed to qualify to Copa Libertadores group stage.^[3]

His son, Lucas, was born in Paraguay when he played for Libertad and has taken part of both Argentina and Paraguay squads at under-17 level.^[4]