Omar Federico Alderete Fernández (born 26 December 1996) is a Paraguayan professional footballer who plays as a defender for La Liga club Getafe and the Paraguay national team.

[1] Alderete began his career with Cerro Porteño, he played for their U20s at the 2016 U-20 Copa Libertadores between January and February 2016 where he scored one goal (vs. Bolívar) in three games.

[1][3] Months later, in May 2016, Alderete made his professional debut for the club in a Paraguayan Primera División loss to Rubio Ñu.

[1] After one goal in twenty-two matches for Gimnasia y Esgrima, Alderete completed a transfer to Huracán at the conclusion of his loan spell.

[7] He scored his first goal for his team four days later, on 23 July 2019, in the away game in the Philips Stadion in the second qualifying round of the 2019–20 UEFA Champions League.