TMN

TMN is an abbreviation for:


 * Telecommunications Management Network, a network protocol
 * Telecomunicações Móveis Nacionais, SA, a Portuguese telecom
 * Texas Moratorium Network, an American advocacy organization dealing with the death penalty
 * The Morning News (online magazine), an American online magazine
 * The Movie Network, former name of Crave, a Canadian television network
 * The Music Network, an Australian magazine and charts company
 * TM Network, aka TMN (1990–1994), a Japanese pop band
 * TMN Group plc, former name of GlobalData, a British data analytics company
 * TrackMania Nations, a computer game
 * Tuberomammillary nucleus, a part of the hypothalamus