Sir Graham Robert Watson (born 23 March 1956) is a British Liberal Democrat politician who served as Member of the European Parliament for South West England from 1994 to 2014.
Watson was the leader of the European Liberal Democrat and Reform Party Group (2002–2004) and the first leader of the Alliance of Liberals and Democrats for Europe Group (2004–2009).
From 2011 until 2015 he was the President of the Alliance of Liberals and Democrats for Europe Party.
He currently sits as a UK Member on the European Economic and Social Committee.