Murtagh (Irish: Ó Muircheartaigh) is an Irish surname. Murtagh may also refer to:
People Murtagh (name)
Fictional characters
Murtagh, a character in The Inheritance Cycle Murtagh, a 2023 novel by Christopher Paolini
See also
Murtaugh (disambiguation) Murtha Kjartan, a related Nordic name