The 13th IRAM Millimeter Interferometry School will be held September 28 – October 3, 2026 at the Hotel Mercure Centre Porte des Alpes in Grenoble/France. It is intended for PhD students, post-docs and scientists who want to acquire knowledge of interferometry and data reduction techniques at millimeter wavelengths. Special emphasis will be put on the NOEMA interferometer and its new capabilities.