Primacy

Primacy may refer to:


 * an office of the Primate (bishop)
 * the supremacy of one bishop or archbishop over others, most notably:
 * Primacy of Peter, ecclesiological doctrine on the primacy of Peter the Apostle
 * Primacy of the Roman Pontiff, ecclesiological doctrine on the primacy of the Roman See
 * Primacy of the Five Sees, ecclesiological doctrine on the primacy of the five major patriarchates (pentarchy)
 * Primacy of Jerusalem in Christianity, ecclesiological doctrine on the primacy of the See of Jerusalem
 * Primacy of Canterbury, the supremacy of the Archbishop of Canterbury over the Archbishop of York
 * Primacy of Jerusalem in Judaism, religious primacy of the Holy City of Jerusalem in Judaism
 * Aramaic primacy, a scholarly theory in the Christian Bible studies
 * Primacy of the House of Commons, a political system based on the primacy of the House of Commons over the House of Lords
 * Primacy of European Union law, a legal concept in the international law
 * Primacy effect, a concept in psychology and sociology
 * Primacy (company), a digital marketing agency based in Connecticut, USA
 * Primacy, a suburb of Bangor, County Down