Somanahalli Mallaiah Krishna (born 1 May 1932) is an Indian politician who served as Minister of External Affairs of India from 2009 to October 2012. He was the 16th Chief Minister of Karnataka from 1999 to 2004 and the 19th Governor of Maharashtra from 2004 to 2008. SM Krishna had served as the Speaker of the Karnataka Vidhan Sabha from December 1989 to January 1993. He was also a member of Lok Sabha and Rajya Sabha at various times from 1971 to 2014.