Alastair Ross (born 4 March 1981) is a former unionist politician in Northern Ireland. Ross studied at Friends' School in Lisburn and at the University of Dundee before returning to study Irish Politics at Queen's University Belfast. While there, he became a Democratic Unionist Party (DUP) activist. In 2005, he began working for Sammy Wilson as a , following a spell in DUP headquarters as a press officer in the lead-up and during the 2005 general election. For the 2007 Northern Ireland Assembly election, he was the campaign manager for the party's three candidates in East Antrim, all of whom were elected.