Guillermo Cuadra Fernández is a Spanish football referee born in Madrid (Madrid), Spain on 25 April 1984. He made his La Liga debut on 17 August 2018 and has been FIFA-listed since 2020. He is part of the current top-flight refereeing pool in Spain and is regularly relevant for pre-match analysis, appointment previews and VAR-focused discussion.
In the 2025/26 La Liga season, Cuadra Fernández has officiated 13 league matches, averaging 24.08 fouls, 0.23 penalties, 4.38 yellow cards and 0.31 red cards per game. Those numbers point to a balanced but firm profile, with a solid middle ground in disciplinary terms. For The VAR Verdict, that statistical snapshot helps readers understand the disciplinary threshold and general tone he has shown this season.