RMK (disambiguation)

RMK may refer to:
 * RMK-BRJ, an American construction consortium of four of the largest American companies
 * rmk, the ISO 639-3 code for Romkun, a variant of Iski language
 * Renmark Airport, the IATA code RMK
 * Simrik Airlines, the ICAO code RMK
 * Reichsmusikkammer, a music regulating company in Nazi Germany
 * Radio Miyazaki K.K., a broadcasting station in Miyazaki Prefecture, Japan
 * Robert Moses' Kin, an American dance company
 * Republican Movement of Karelia, a Karelian regionalist and separatist organization