O'Halloran

• Barry O'Halloran
• Brian O'Halloran
• County Clare
• County Galway
• Crichaireacht cinedach nduchasa Muintiri Murchada
• David O'Halloran
• Dustin O'Halloran
• Dál gCais
• Gaels
• Galway
• Greg O'Halloran
• Hal O'Halloran
• Halloran (disambiguation)
• Halloran Springs, California
• Halloran Summit, California
• House of Burke
• Irish language
• Irish people
• Jack O'Halloran
• James O'Halloran
• Joseph O'Halloran
• Kay O'Halloran
• Keith O'Halloran
• Kevin O'Halloran
• Kevin O'Halloran (footballer)
• Mark O'Halloran
• Mark O'Halloran (rugby league)
• Michael O'Halloran (UK politician)
• Michael O'Halloran (footballer)
• Mick O'Halloran
• O'Halloran Hill, South Australia
• Sharyn O'Halloran
• Stephen O'Halloran
• Sylvester O'Halloran
• Thomas O'Halloran
• Thomas Shuldham O'Halloran
• Thomas Shuldham O'Halloran KC
• William Littlejohn O'Halloran
• surname
• Ó Flaithbheartaigh