Alastair Ross (born 4 March 1981) is a British electoral officer and former Democratic Unionist Party (DUP) politician who was a Member of the Northern Ireland Assembly (MLA) for East Antrim from 2007 to 2017.

In 2005, he began working for Sammy Wilson as a parliamentary researcher, following a spell in DUP headquarters as a press officer in the lead-up and during the 2005 general election.

He previously served on the Northern Ireland Policing Board, as well as being Chairman of the Assembly Committees for Justice, Standards and Privileges, as well as the ad hoc Ctte for the Mental Capacity Bill.

[citation needed] His predecessor George Dawson, was one of the three DUP MLAs in East Antrim, and died shortly after the election.

[citation needed] Ross was viewed as being on the more pragmatic and moderate wing of the DUP and was a regular media performer for the Party.