Keiran Zac Murtagh (born 29 October 1988) is a footballer who represented Antigua and Barbuda at international level.

[6] On 31 January 2011, Murtagh signed a one-month loan deal with Conference South club Woking, subsequently extended for a further month.

On 10 June 2011, Murtagh signed a two-year deal with Conference National side Cambridge United.

However, he was unable to make regular appearance in the starting lineup and midway through the 2013–14 season, came back down to Woking on loan for a third spell.

[13] On 7 July 2023, it was announced that Murtagh had signed for Isthmian League Premier Division club Lewes.