Sergio Carmona Pérez (born 25 July 2004) is a Spanish professional footballer who plays as a left-back for Segunda Federación club Rayo Majadahonda.
Carmona started his footballing journey in Alcorcón age-group teams till the under-19 level. Carmona once came up against Manchester United star Alejandro Garnacho in an under-15 league match between Alcorcón and Atletico Madrid.
Carmona played for Toledo in the Spanish fifth division, Tercera Federación for the 2022âÂÂ23 season. He made a total of seven appearances.
Carmona signed for Unión Adarve in the fourth-tier of Spanish football on 1 August 2023. He made three Segunda Federación appearances in the 2023âÂÂ24 season.
Carmona joined Singapore Premier League leaders Lion City Sailors on 2 April 2024 ahead of the 2024âÂÂ25 season. Carmona fills up one of the three permitted under-21 foreign players' slots in the senior team. Carmona made his debut on 14 September 2024 in a 6âÂÂ0 win against Tanjong Pagar United. Carmona scored his first professional goal in a 3âÂÂ1 win against Balestier Khalsa on 22 September 2024. On 5 December, he made his AFC Champions League Two debut against Thai club Port. Carmona finished as a runner-up in the 2025 AFC Champions League Two final against Sharjah, after a 1âÂÂ2 defeat. It was announced on 8 June 2025 that Carmona would be leaving the club.
On 9 July 2025, it was announced that Carmona has joined Segunda Federación club Rayo Majadahonda.
Lion City Sailors