Álvaro Tejero Sacristán (born 20 July 1996) is a Spanish professional footballer who plays as a full back for RCD Espanyol.

On 5 July 2015, Tejero was promoted to the reserves in Segunda División B by manager Zinedine Zidane.

[2] Tejero made his first team debut on 2 December 2015, coming on as a late substitute for Pepe in a 3–1 Copa del Rey away win against Cádiz CF.

[3] Having been the team's only ever-present and missing only 12 minutes of action all season,[4] he scored his first goal for Castilla on 6 February 2016, the game's only against Real Unión at the Estadio Alfredo Di Stefano.

[9] On 9 July 2024, free agent Tejero signed a one-year deal with RCD Espanyol, newly promoted to the main category.