Olaizola

Olaizola is a Basque surname. Notable people with the surname include:


 * Aimar Olaizola (born 1979), Basque pelota player, known as Olaizola II, brother of Asier
 * Ander Olaizola (born 1989), Spanish footballer
 * Asier Olaizola (born 1975), Basque pelota player, known as Olaizola I
 * Javier Olaizola (born 1969), Spanish footballer
 * José Luis Olaizola (born 1927), Spanish writer
 * Julio Olaizola (born 1950), Spanish footballer
 * Manuel Aierdi Olaizola (born 1967), Basque politician