Fiachra McArdle (born 18 August 1983 in Dundalk) is a former professional footballer, who played most of his career in the League of Ireland.

McArdle represented Ireland at U18, U19, and U21 level, and was part of the squad which competed in the Japan Cup in 2001.

In 2009 McArdle helped Sporting Fingal to win the FAI Cup and promotion to the Premier Division of the League of Ireland.

McArdle joined his sixth League of Ireland club, Longford Town, in January 2010.

He then moved to Melbourne side Sunshine George Cross in 2011 before returning to the UK to complete his studies.