Máirtín O'Connor is an Irish button accordionist from Galway, Ireland, who began playing at the age of nine, and whose career has seen him as a member of many traditional music groups that include Skylark, Midnight Well, De Dannan, and The Boys of the Lough. A traditional Irish musician, O'Connor was one of the major forces of the music in the world-renowned Riverdance.

His first solo album The Connachtman's Rambles established him as a solo musician and proved a major critical success.[citation needed] O'Connor has released four albums since: Perpetual Motion, Chatterbox, The Road West and Rain Of Light.