Unai Rementeria Castro (born 10 August 1999) is a Spanish footballer who plays as a midfielder for CD Mirandes.
Club Career
Born in Bilbao, Biscay, Basque Country, Rementeria joined Real Sociedad's youth setup in 2015, after representing Romo FC, Danok Bat CF and Athletic Bilbao. In 2017, after finishing his formation, he was loaned to Tercera Division side CD Getxo, but finished the campaign at fellow league team Bermeo FT, also on loan.
In July 2018, Rementeria signed for Sodupe UC also in the fourth division, but moved to fellow league team Club Portugalete the following 23 January. On 9 July 2019, he joined SD Amorebieta in Segunda Division B.
On 30 June 2020, after being a backup option, Rementeria agreed to a contract with Arenas Club de Getxo, also in the third level. On 31 May of the following year, he signed a three-year deal with Segunda Division side CD Mirandes.
Rementeria made his professional debut on 16 August 2021, starting in a 0–0 away draw against Malaga CF.