Diarmaid Ó Súilleabháin may refer to:
- Diarmaid O' Súilleabháin (bishop) (1924–1994), Roman Catholic Bishop of Kerry
- Diarmaid Ó Súilleabháin (writer) (1932–1985), Irish language writer
- Diarmuid Ó Suilleabháin, Irish sean nós singer from County Cork
This disambiguation page lists articles about people with the same name.
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