Guillermo "Guille" Abascal Pérez (born 13 April 1989) is a Spanish professional football manager and former player.
Having ended his professional career at 19 after being on the books of Barcelona and Sevilla, he began managing aged 28 with Chiasso in the Swiss Challenge League, and leading Lugano and Basel in the Swiss Super League. He also managed Ascoli in Serie B, Volos in the Super League Greece and Spartak Moscow in the Russian Premier League.