Ion Garmendia Anfurrutia (born 1979) is a Basque musician from Ibarra, Gipuzkoa.

In 1997, he entered into a teacher training program in Gasteiz, and in 1999 began learning the alboka.

In 2002 entered in Musikene (Centro Superior de Música del País Vasco) to study "nuevas tendencias en la música tradicional" (new trends in traditional music) under Kepa Junkera.

He later partnered with fellow musician Ibon Koteron, and his proficiency in the alboka and gaita navarra were intensified.

He continues to be a member of Ibon Koteron's band, and is currently involved in the "Twenty Fingers Project" (Hogeihatz Proiektua) with Inaki Plaza Murga.