Donough O'Brien
Introduction '''Donough O'Brien''' may refer to:*Donough O'Brien (author) (born 1939), marketing, public relations executive and author*Donough O'Brien (cricketer) (1879–1953), Welsh-born Irish cricketer*Sir Donough O'Brien, 1st Baronet (1642–1717), Irish politician and baronet*Donough O'Brien, 16th Baron Inchiquin (1897–1968)*Donough O'Brien, 2nd Earl of Thomond (died 1553)*Donogh O'Brien, 4th Earl of Thomond (died 1624)*Donough O'Brien (died 1582)
See also *Donnchad mac Briain (died 1064), 11th-century king of Munster