Mark McKenna (born 5 May 1996) is an Irish actor, singer, songwriter, and producer. He has starred in the film Sing Street and the YouTube Premium Original series Wayne.
McKenna made his film debut in 2016 in Sing Street. He was the lead singer/guitarist in the band The Girl Talk. McKenna is now the co-lead singer/guitarist in the band Milk. McKenna landed his first lead role in the American television series Wayne, which premiered on 16 January 2019. McKenna posts demos under the name LOVERBOY on SoundCloud, which he started in 2016. On 16 November 2019, it was announced that he would play the role of Simon on the NBC series One of Us Is Lying, based on the bestselling mystery novel of the same name by Karen M. McManus.