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