International Association of Geomagnetism and Aeronomy
（重定向自IAGA）
International Association of Geomagnetism and Aeronomy (IAGA) is the premier international scientific association promoting the study of terrestrial and planetary magnetism and space physics.
IAGA is one of the eight Associations of the International Union of Geodesy and Geophysics (IUGG). It is a non-governmental body funded through the subscriptions paid to IUGG by its Member Countries.