Mikel Oyarzabal Ugarte (born 21 April 1997) is a Spanish professional footballer who plays as a left winger or forward for La Liga club Real Sociedad, whom he captains, and the Spain national team.

Oyarzabal made his full debut for the Spain national team in 2016, representing the side at two European Championships and winning Euro 2024, where he scored the decisive goal in the final.

[17] In the 2019–20 Copa del Rey, Oyarzabal scored a penalty in each leg of a 3–1 aggregate defeat of Mirandés as his team reached the final for the first time since 1988.

[18] On 10 July that year, he achieved his 50th goal for the club in a 3–2 home defeat against Granada,[19] and on 3 October he scored a penalty in his 200th match in a 3–0 win over Getafe.

[20] On 3 April 2021, Oyarzabal scored the only goal of the delayed 2020 Copa del Rey final, also through a penalty, to help Real Sociedad clinch their first trophy in 34 years after beating Athletic Bilbao.

[21][22] In March 2022, he ruptured the anterior cruciate ligament of his left knee during a training session, potentially ruling him out for the rest of that year.

[38] In the 2021 UEFA Nations League final against France on 10 October, he scored the opening goal of the match, although Spain ultimately suffered a 2–1 defeat.

[45] Oyarzabal featured for the non-affiliated Basque Country national team, scoring on his debut to cap a 3–1 win over Tunisia at the San Mamés Stadium on 30 December 2016.