Atagi or ATAGI may refer to:
Australian Technical Advisory Group on Immunisation, a body of the Australian Government which provides technical advice on immunisation to the Minister for Health
People Atagi Fuyuyasu (1528–1564), Japanese samurai Atagi Nobuyasu (1549–1578), Japanese samurai, son of above
Places Novye Atagi, rural locality (a selo) in Shalinsky District of the Chechen Republic, Russia Starye Atagi, rural locality (a selo) in Groznensky District of the Chechen Republic, Russia