Justin Barrett (born 13 April 1971) is an Irish far-right politician who has been the leader of the National Party since 2016. Barrett's activism began in the 1990s, with the anti-abortion campaign group Youth Defence. He campaigned against the Treaty of Nice in 2002 and founded the National Party in 2016. Barrett and the National Party campaigned for a No vote in the 2018 abortion referendum through the Abortion Never campaign, which functioned as "an Irish nationalist anti-abortion campaign".