Kepa Arrizabalaga Revuelta (born 3 October 1994) is a Spanish professional footballer who plays as a goalkeeper for Premier League club Chelsea and the Spain national team. He is sometimes referred to simply as Kepa.

A Basque native, Arrizabalaga began his senior club career with Athletic Bilbao. He played for Basconia, and joined Ponferradina and Real Valladolid on consecutive loans, between 2011 and 2016. He then returned to Bilbao and became a first-team regular; in 2018, he was the subject of a record association football transfer when he moved to Chelsea in a transfer worth €80 million (£72 million), a record fee for a goalkeeper. There, he won the UEFA Europa League, the UEFA Champions League and the UEFA Super Cup.

Arrizabalaga won the 2012 European Championship with Spain’s under-19 team. He made his senior debut in 2017, and was selected for the 2018 World Cup.