Alexander Morrison "Alistair" Carmichael (born 15 July 1965) is a Liberal Democrat politician and has served as the Member of Parliament (MP) for Orkney and Shetland since the 2001 general election.
He was the only Scottish MP representing the Liberal Democrats in the House of Commons during the 57th Parliament (2015-2017).
He is the Deputy Leader of the Scottish Liberal Democrats and, from 7 October 2013 to 8 May 2015, was the Secretary of State for Scotland in the Conservative-Lib Dem coalition government.
Carmichael currently serves as Liberal Democrat Chief Whip of the House of Commons, having taken over the position from Tom Brake following the 2015 general election.