RCMS

RCMS may refer to:


 * Rachel Carson Middle School, Virginia, United States
 * Radio Colony Model School, a school in Dhaka, Bangladesh
 * Rastriya Colliery Majdoor Sangh, Indian trade union
 * Research Center for Modeling and Simulation, Pakistan
 * Rowan County Middle School, a middle school in Morehead, Kentucky
 * Royal Canadian Medical Service