IM1

IM 1, IM-1, or IM1 may refer to:


 * Intuitive Machines IM-1 (Odysseus), a February 2024 lunar lander space mission under NASA CLPS program
 * Interstellar meteor IM1 (CNEOS 2014-01-08), a 2014 meteor announced to be of interstellar origin in 2019 and confirmed in 2022
 * Institute of Medicine 1 (IM-1), Rangoon, Burma; former name of University of Medicine 1, Yangon, Myanmar
 * Douglas, Isle of Man (post code )
 * Intermediate 1 (IM1), a competition class under British Rowing