The French National Institute of Nuclear and Particle Physics (French: Institut national de physique nucléaire et de physique des particules, IN2P3), also known as CNRS Nucléaire & Particules, is the coordinating body for nuclear and particle physics in France. It was established in 1971 as a division of the French National Centre for Scientific Research (CNRS). Its purpose is "to promote and unite research activities in the various fields of physics".

List of IN2P3 institutes

Strasbourg

Annecy

Lyon

Modane

Grenoble

Marseille

Montpellier

Clermont-Ferrand

Bordeaux

Nantes

Caen

Toulouse

Paris

Orsay

Palaiseau