Jon Ander Olasagasti Imizcoz (born 16 August 2000) is a Spanish professional footballer who plays as a midfielder for Real Sociedad.
Born in San Sebastián, Gipuzkoa, Basque Country, Olasagasti joined Real Sociedad's youth setup in 2014.
He made his senior debut with the C-team on 26 August 2017, playing the last 20 minutes of a 0–2 Tercera División away loss against SCD Durango.
On 1 July 2020, Olasagasti renewed his contract with the Txuri-urdin until 2023,[4] and was a regular starter during the campaign as his side returned to the Segunda División after 59 years.
[7] On 1 December 2021, Olasagasti made his first-team debut by starting in a 4–0 away routing of CF Panadería Pulido in the season's Copa del Rey.