MRCA

MRCA may refer to:
 * Member of the Royal College of Anaesthetists, post-nominal letters awarded on completion of the primary FRCA examination and 12 months specialist training. Usage is limited to those no longer in specialist training
 * Most recent common ancestor, a term referring to the most recent ancestor any set of organisms are directly descended from
 * Mid-right coronary artery, one of several coronary arteries.
 * Multirole combat aircraft, the concept of an aircraft that can be used for more than one combat role; particularly:
 * The NATO Multi-Role Combat Aircraft – the project that became the Panavia Tornado
 * Indian MRCA competition, an ongoing competition to supply the Indian Air Force with 126 multirole combat aircraft