Xabier López-Arostegui Eskauriaza (born 19 May 1997) is a Spanish professional basketball player for Valencia of the Spanish Liga ACB and the EuroCup.

López-Arostegui started his career in the youth teams of Joventut Badalona.

He was one of the outstanding players at the Catalan Junior Championship of 2015, as he won the title with his team after beating CB L'Hospitalet in the final.

[1] In 2015, he was sent to affiliated team CB Prat on a two-way contract with Joventut.

On 5 July 2021, he has signed with Valencia Basket of the Liga ACB.