The office of deputy leader of the Liberal Democrats is a position within the Liberal Democrats, a liberal political party in the United Kingdom. The position of Deputy Leader has never formally existed in the party constitution, however since the party's foundation, the Liberal Democrat parliamentary group in the House of Commons have usually elected a Deputy Leader. Although often referred to as the Deputy Leader of the Liberal Democrats, this post is actually only Deputy Leader of the Liberal Democrat parliamentary group in the House of Commons and not Deputy Leader of the Lib Dems as a whole.

Charles Peter Kennedy was a British politician who served as Leader of the Liberal Democrats from 1999 to 2006, and was the Member of Parliament (MP) for Ross, Skye and Lochaber from 1983 to 2015.