Joseph Deiss (born 18 January 1946) is a Swiss economist and politician who served as a Member of the Swiss Federal Council from 1999 to 2006. A member of the Christian Democratic People's Party (CVP/PDC), he first headed the Federal Department of Foreign Affairs (1999–2002) before transferring to the Federal Department of Economic Affairs (2003–2006). Deiss was elected President of the United Nations General Assembly for its 65th session in 2010.