Uilliam Ó Duinnín (fl. 1670–1682) was an Irish scribe.

The son of Domhnall Óg Ó Duinnín, Uilliam was the owner of MS 1336, which he may have sold to Edward Lhuyd. He transcribed William Bedell's Irish Old Testament, which was published in 1685.

See also Tadhg Og Ó Cianáin Peregrine Ó Duibhgeannáin Lughaidh Ó Cléirigh Mícheál Ó Cléirigh Mary Bonaventure Browne Dubhaltach Mac Fhirbhisigh Ruaidhrí Ó Flaithbheartaigh Seán Ó Catháin

References

Sources The Manuscript Collection of Dubhaltach MacFhirbhisigh, William O'Sullivan, p. 339–347, in Seanchas: Studies in Early and Medieval Irish Archaeology, History and Literature in Honour of Francis J. Byrne, edited by Alfred P. Smyth. Dublin, Four Courts, 1999.