Sir Walter Menzies Campbell, CBE, QC (born 22 May 1941), commonly known as Ming Campbell, is a British politician and retired sprinter. He is Member of Parliament for North East Fife and was Leader of the Liberal Democrats from 2 March 2006 until 15 October 2007 .

"Menzies" is a Scottish name, pronounced MING-iss ( ), and originally written , the "z" being a poor rendition of the (Middle English) yogh ( ) originally included in the name; hence "Ming".