Tomás Pablo Asta-Buruaga Montoya (born 11 October 1996) is a Chilean footballer who plays for Universidad Católica as a central defender.

On 29 July 2012, aged just 15, he made his senior debut for the reserve team by playing the full 90 minutes in a 1–0 Segunda División Profesional de Chile away loss against Deportes Iberia.

[1] Asta-Buruaga made his first team debut on 23 July 2013, starting in a 3–0 Copa Chile home win against Palestino.

[2] A regular figure for the B-team in the following campaigns, he made his Primera División debut on 22 February 2014, starting in a 3–1 home defeat to Everton de Viña del Mar.

[3] For the 2016–17 season, Asta-Buruaga was loaned to fellow top tier club Deportes Antofagasta.