Álvaro Fidalgo Fernández (born 9 April 1997) is a professional footballer who plays as a midfielder for La Liga club Real Betis. Born in Spain, he represents the Mexico national team. Born in Hevia, Siero, Asturias, Fidalgo joined Real Madrid's La Fábrica in 2012, from Sporting de Gijón. On 21 June 2016, after finishing his formation, he was loaned to Segunda División B side CF Rayo Majadahonda for the season. Fidalgo made his senior debut on 20 August 2016, starting in a 0–0 draw against Sestao River Club. In July 2017, after being a regular starter, he returned to his parent club and was assigned to the reserves also in the third division. Fidalgo made his first team debut for Real Madrid on 6 December 2018, coming on as a late substitute for Vinícius Júnior in a 6–1 home routing of UD Melilla, for the season's Copa del Rey. For the 2019–20 season, he was named team captain of Raúl's Castilla. On 25 August 2020, Fidalgo signed a three-year deal with Segunda División newcomers CD Castellón. He made his professional debut on 12 September, coming on as a second-half substitute for Jorge Fernández in a 2–1 away win against SD Ponferradina. On 1 February 2021, despite featuring regularly at Castellón, Fidalgo joined Mexican club América on a season-long loan. On 2 June 2021, Club América confirmed the permanent signing of Fidalgo.