A

Abdon and Sennen, Saints

Abercius of Hierapolis, Saint

Abraham, Saint

Abraham Kidunaia, Saint

Abundius, Saint

Acathius of Melitene, Saint

Acisclus and Victoria, Saints

Adalbert of Prague, Saint

Adam & Eve, Saints

Adamnan of Iona, Saint

Adelaide of Italy, Saint

Ado of Vienne, Saint

Adrian, Saint

Adrian and Eubulus, Saints

Adrian of Canterbury, Saint

Aedesius, Saint

Ælfheah of Canterbury, Saint

Aelred, Saint

Æthelburh of Faremoutier

Aethelthryth, Saint

Aethelwold of Winchester, Saint

Afra of Augsburg, Saint

Agabus, Saint

Agape, Chionia, and Irene, Saints

Agapitus of Palestrina, Saint

Agatha, Saint

Agatho, Saint

Agericus of Verdun, Saint

Agnello of Naples, Saint

Agnes, Saint

Agnes of Bohemia, Saint

Agnes of Montepulciano, Saint

Aichardus, Saint

Aidan, Saint

Ailbe, Saint

Alban, Saint

Albert the Great, Saint

Albert of Trapani, Saint

Alberto da Bergamo, Blessed

Alberto of Cordoba, Blessed

Albinus of Angers, Saint

Aldegonde, Saint

Aldhelm, Saint

Alena, Saint

Alexander, Saint

Alexander of Alexandria, Saint

Alexander of Bergamo, Saint

Alexander the Carbonarius of Comana, Saint

Alexandrian Plague, Martyrs of the

Alexius of Kiev, Saint

Alexius of Rome, Saint

Alferius of Cava, Saint

Alfonso of Navarette, Saint and the Martyrs of Japan

Alfred the Great, King

All Saints

All Souls

Almo Taparelli, Blessed

Aloysius Gonzaga, Saint

Alphaeus and Zacchaeus, Saints

Alypius of Thagaste, Saint

Alphonse Rodriguez, Saint

Alphonsus Mary Liguori, Saint

Amabilis of Riom, Saint

Amadour, Saint

Amandus, Saint

Amator of Auxerre, Saint

Amatus of Grenoble, Saint

Amatus of Sion, Saint

Ambrose, Saint

Ambrose Sansedoni, Blessed

Ammon, Saint

Anacletus, Saint

Ananias, Azarias, and Misael, Saints

Anastasia, Saint

Anastasia the Elder, Saint

Anastasius, Saint

Anastasius Hartmann, Venerable

Anastasius of Persia, Saint

Anastasius Sinaita, Saint

Anatolia, Saint

Andochius, Thyrsus, and Felix, Saints

André-Hubert Fournet, Saint

André Ripoche

Andrea Corsini, Saint

Andrea Grego da Peschiera, Blessed

Andrew the Apostle, Saint

Andrew of Argentes, Saint

Andrew Avellino, Saint

Andrew Bobola, Saint

Andrew of Crete, Saint

Andronicus and Athanasia, Saints

Angela of Foligno, Saint

Angela Merici, Saint

Anicetus, Saint

Anna the Prophetess, Saint

Anna Juliana Gonzaga, Venerable

Anna Maria Taigi, Blessed

Anne, Saint

Anne of Saint Bartholomew, Blessed

Anne Catherine Emmerich, Blessed

Anno, Saint

Anselm, Saint

Anthimus of Rome, Saint

Antonio della Chiesa, Blessed

Anthony Abbot, Saint

Anthony Maria Zaccaria, Saint

Anthony Mary Claret, Saint

Anthony Neyrot, Blessed

Anthony of Padua, Saint

Anthony Pavone, Blessed

Antiochus, Saint

Antoine Chevrier, Blessed

Antoninus, Saint

Antonio Alonso Bermejo, Venerable

Antonio Maria Gianelli, Saint

Anysia, Saint

Aphian, Saint

Apollinaris of Hierapolis, Saint

Apollinaris of Ravenna, Saint

Apollo, Saint

Apollonia, Saint

Apollonius, Saint

Aphrahat, Saint

Aprus of Toul, Saint

Aquila and Priscilla, Saints

Arcadius of Mauretania, Saint

Armogastes, Saint

Arnold of Arnoldsweiler, Saint

Arnulf of Metz, Saint

Arsenius the Great, Saint

Artemius, Saint

Asella, Saint

Athanasia of Aegina, Saint

Athanasius, Saint

Athract, Saint

Augustin Kažotić, Saint

Augustine, Saint

Augustine of Canterbury, Saint

Augustine of Bugella, Saint

Aurea of Ostia, Saint

Avitus, Saint