Alfredo Ariel Aguilar (born 18 July 1988) is a Paraguayan professional footballer who plays as a goalkeeper for Paraguayan Primera División club Sportivo Luqueño.
Aguilar has played club football for Guarani.
On 2 January 2023, Aguilar signed with Campeonato Brasileiro Série B club Ceará, this is his first experience abroad.
He was called up to the senior Paraguay squad in 2014.
Aguilar was named in Paraguay's provisional squad for Copa América Centenario but was cut from the final squad.
He made his international debut for Paraguay in a 4-2 friendly loss to Japan on 12 June 2018.
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