title: Murrough O'Brien
text: # Murrough O'Brien
  
  Murrough O'Brien may refer to:
  
  * Murrough O'Brien, 1st Earl of Thomond (died 1551)
  * Murrough O'Brien, 4th Baron Inchiquin (died 1597)
  * Murrough O'Brien, 1st Earl of Inchiquin (c. 1618–1674)
  * Murrough O'Brien, 1st Marquess of Thomond (1726–1808)
  * Morrough Parker O'Brien (1902–1988)
  