Alejandro "Álex" Cantero Sánchez (born 8 June 2000) is a Spanish professional footballer who plays as a winger for CD Tenerife.
A youth product of CD Brunete and Real Madrid CF, Cantero joined the youth academy of Levante UD in 2016. He signed a professional contract with Levante on 19 February 2019, for four years.
Cantero began his senior career as a stalwart with Levante's reserve side in Segunda División B. He made his senior debut with Levante in a 2–0 La Liga loss to Celta de Vigo on 30 April 2021.
On 24 June 2021, Cantero was promoted to the main squad for the 2021–22 campaign. He was mainly a substitute during the season, as the club suffered relegation.
Cantero scored his first professional goal on 27 August 2022, netting the opener in a 2–0 Segunda División home win over CD Tenerife. On 1 September, his contract was extended until 2025.
