Chavarat Charnvirakul (Thai: ??????? ?????????, RTGS: Chawarat Chanwirakun, Thai pronunciation: [t???á.wá.rát t???a?n.wi?.rá.kun]; born 7 June 1936 in Bangkok) is a Thai politician.
He had served as an Acting Prime Minister of Thailand as a result of the 2008 Thai political crisis.