John Alexander Melvin Hemming (born 16 March 1960) is a British Liberal Democrat politician and businessman who served as the Member of Parliament for Birmingham Yardley from 2005 until 2015. Hemming was an elected councillor for the South Yardley Ward and Group Chair of the Liberal Democrats on Birmingham City Council until 1 May 2008 and was elected as the Member of Parliament for Birmingham Yardley at the 2005 general election. He was the first Liberal Democrat or Liberal to represent a Birmingham constituency since Wallace Lawler had briefly held Birmingham Ladywood after a 1969 by-election.