Asier Olaizola Apezetxea, also known as OlaizolaI, is a pelotari in the first category of hand-pelota.
His brother is pelotari Aimar Olaizola. During his professional career Olaizola won the doubles hand-pelota championships of 1999 and 2001, and earned subchampionships in 2002 and 2007.