Mícheál Ó Súilleabháin is an Irish musician. As a pianist, composer, recording artist and academic, he holds the Professorship of Music at the Irish World Academy of Music and Dance which he founded at the University of Limerick. His sons are known as Irish pop group size2shoes and his former wife is Irish chant singer Nóirín Ní Riain, with whom he has collaborated. He was awarded an honorary D.Mus from the National University of Ireland at his alma mater University College Cork in 2004. He has recorded extensively with the Irish Chamber Orchestra.