Aaron (Copt)Aaron of AlethAaron of AuxerreAaron the IllustriousAba of KashkarAbabiusAbadiosAbai (martyr)AbanoubAbassadAbbo of FleuryAbda of EdessaAbda of HiraAbdas of SusaAbdecalasAbdel Messih El-MakariAbdias of BabylonAbdisho IV MaronAbdon and SennenAbdul MasihAbel of ReimsAbercius of HieropolisAblakAbo of TiflisAbraam, Bishop of FaiyumAbraham KidunaiaAbraham Mar JuliosAbraham Mar ThomaAbraham ShimonayaAbraham of RostovAbraham of SmolenskAbraham the PoorAbraham the WriterAbramios the RecluseAbuna AregawiAbundiusAbundius and AbundantiusAbundius and IrenaeusAbundius of PalestrinaAbundius of Pietra Montecorvina