MRCC

MRCC — acronym, may refer to:
 * ICAO code for Coto 47 Airport (Costa Rica)
 * Maritime Rescue Coordination Centre, for example:
 * Hong Kong MRCC
 * Mumbai MRCC
 * Medical Representatives Certification Commission
 * Member of the Royal College of Chiropractors, see List of post-nominal letters (United Kingdom)
 * Midwest Regional Climate Center
 * Mildura Rural City Council
 * Mission Regional Chamber of Commerce
 * Mobile Reconnaissance and Command Center, see for example PPRU-1
 * Multi-Reference Coupled Cluster
 * Multi-Role Combatant Craft, see Wet sub
 * Mumbai Regional Congress Committee, of the Indian National Congress

mRCC — Metastatic renal cell carcinoma