Igor Zubeldia Elorza (born 30 March 1997) is a Spanish professional footballer who plays as a defensive midfielder or a central defender for La Liga club Real Sociedad.

Born in Azkoitia, Gipuzkoa, Basque Country, Zubeldia joined Real Sociedad's youth setup in 2008, at the age of 11.

[3] Zubeldia made his senior debut on 29 August 2015, coming on as a second-half substitute in a 1–0 away loss against CD Ebro.

[4] Zubeldia made his first team – and La Liga – debut on 13 May 2016, replacing fellow youth graduate Rubén Pardo in the dying minutes of a 1–0 away win over Valencia CF.

On 20 December 2017, after just 30 seconds on the pitch, Zubeldia scored his first goal in the Spanish top flight to put the hosts ahead in the 76th minute of an eventual 3–1 home defeat of Sevilla FC.