AMN

Amn or AMN may refer to:

Biology

 * Alpha motor neuron (α-MNs), large lower motor neurons of the brainstem and spinal cord
 * Amnionless, a gene for a protein necessary for efficient absorption of vitamin B12
 * Adrenoleukodystrophy, a rare X-linked genetic disease

Media companies

 * AMN (TV station), in Griffith, New South Wales, Australia
 * Access Media Network, a communications media company
 * Al-Masdar News, a multilingual news website
 * All Media Network, a former music, movie and game database company acquired by RhythmOne

Military and politics

 * Afghanistan Mission Network, a coalition network for NATO led missions in Afghanistan
 * Airman, a low-grade enlisted rank in the US armed forces
 * Directorate of General Security, Arabic name of former Iraqi intelligence agency
 * Alianţa Moldova Noastră, a former social-liberal political party in Moldova

Other uses

 * Amn (Forgotten Realms), a fictional country in Dungeons & Dragons
 * Ahli Mangku Negara, a Malaysian honour
 * Ainsley Maitland-Niles, a professional footballer
 * Gratiot Community Airport, Alma, Michigan, US (IATA code AMN)