Alexander Schlager is an Austrian goalkeeper from Salzburg. He developed through the Red Bull Salzburg system, had loans at Grödig and Floridsdorfer AC, and became a regular for LASK after joining in 2017. In 2023 he returned to Red Bull Salzburg. Schlager captained Austria's under-21 team at the 2019 European Under-21 Championship and made his senior international debut in a Euro 2020 qualifier against North Macedonia.
