Antipope NataliusArchdeacon TheophylactBernardino Verdún de VillayzánBoyineni_Deva_Prasada_RaoFeliciano PueyrredónJosé Antonio AcostaJuan Cayetano Fernández de AgüeroJuan Nepomuceno SoláManuel VelardeMariano OlierPeter III of AlexandriaPeyyala_Issac_Vara_PrasadPope-elect StephenPope Abraham of AlexandriaPope Adeodatus IPope Adeodatus IIPope Adrian IPope Adrian IIPope Adrian IIIPope Adrian IVPope Adrian VPope_Adrian_VIPope Agapetus IPope Agapetus IIPope AgathoPope Agatho of AlexandriaPope Agrippinus of AlexandriaPope Alexander IPope Alexander IIPope Alexander IIIPope Alexander II of AlexandriaPope Alexander IVPope_Alexander_VIPope_Alexander_VIIPope Alexander VIIIPope AnacletusPope Anastasius IPope Anastasius IIPope Anastasius IIIPope Anastasius IV