Donal IV O'Donovan, (or Anglicized as Daniel O'Donovan) (Irish: Domhnall Ó Donnabháin), The O'Donovan, of Clancahill (died 1705), was the son of Donal III O'Donovan, The O'Donovan of Clancahill, and Gyles (Sheela) O'Shaughnessy, daughter of Elis Lynch and Sir Roger Gilla Duff O'Shaughnessy, The O'Shaughnessy.