Pierre Vimont (born 15 June 1949) is a French diplomat who served as the Executive Secretary-General of the European External Action Service (EEAS) from 2010 until 2015.

Vimont subsequently became chief of staff to successive ministers delegate of European affairs Édith Cresson and Élisabeth Guigou from 1990 to 1993.

From 2002 to 2007 he served as chief of staff to three French Foreign Ministers, Dominique de Villepin (2002–2004), Michel Barnier (2004–2005)[3] and Philippe Douste-Blazy (2005–2007).

In March 2015 Vimont joined the European Leadership Network, a group of high-level former and serving officials from across Europe focused on dealing with the foreign and security challenges facing the continent.

Additional roles include the following: In June 2015, Vimont was appointed Personal Envoy of the President of the European Council, Donald Tusk, to lead preparations for the Valletta Summit on Migration between EU and African countries.