Olaizola
Olaizola is a Basque surname. Notable people with the surname include:
- Aimar Olaizola, Basque pelota player, known as Olaizola II, brother of Asier
- Ander Olaizola, Spanish footballer
- Asier Olaizola, Basque pelota player, known as Olaizola I
- Javier Olaizola, Spanish footballer
- José Luis Olaizola, Spanish writer
- Julio Olaizola, Spanish footballer
- Manuel Aierdi Olaizola, Basque politician
