Jonathan Lacôte (born 15 September 1972) is a French diplomat who served as Ambassador Extraordinary and Plenipotentiary of France to Armenia from 2017 to 2021.

Jonathan Lacôte attended school in Hove (United Kingdom), Treillières, Nantes and Lycée Condorcet in Paris.

A graduate of the Institute of Political Studies of Paris and of the National Institute of Oriental Languages and Civilizations (INALCO) in Hungarian and Estonian, he entered the Ministry of Foreign Affairs through the competition of foreign affairs adviser in 1997.

After serving in the Common Foreign and Security Policy (CFSP), he was appointed an adviser to the French Embassy in Belgrade (then in the Federal Republic of Yugoslavia) in 2001 before becoming the head of the office of the French Embassy in Podgorica, Montenegro, before the country's accession to independence, in 2003.

A first Secretary at the French Embassy in Berlin in 2005, he became technical advisor in charge of European Union external relations and Franco-German cooperation in the office of the Secretary of State for European Affairs, Jean-Pierre Toy, in 2007 .