Arseny of Konevsky
Venerabled. 1447
Feast: 12 June
Artemide Zatti
Blessed1880 - 1951
Feast: 15 March
Artemy of Verkola
Saint1532 - 1545
Feast: 23 June (repose), 20 October (uncovering of relics)
Arthelais
Saint544 - 560
Feast: 3 March
Aruni
Saint
Ascensión Nicol y Goñi
Blessed1868 - 1940
Feast: 24 February
Asclepiades
SaintFeast: October 18
Asclepius
Venerable
Aselas
Saint
Ashot I of Iberia
SaintFeast: 29 January
Aspren
SaintFeast: 3 August
Assicus
Saintd. 490
Feast: 27 April
Asterius
SaintFeast: 30 October
Asterius
SaintFeast: 30 October
Astrik
SaintFeast: 12 November
Asturio
Saint
Atanazy
Saintd. 1648
Feast: 5 September
Athanasia of Egina
Saintd. 860
Feast: 18 April
Athanasios III of Constantinople
Saint1597 - 1654
Feast: May 2
Athanasius
Saint1887 - 1962
Feast: 28 October
Athanasius II of Constantinople
Saint
Athanasius I of Constantinople
Saint1230 - 1310
Feast: 28 October
Athanasius of Alexandria
Saintd. 373
Feast: 2 May (Western Christianity); 18 January (Eastern Orthodox); 15 May / 7 Pashons (Coptic Orthodox)
Athanasius of Brest-Litovsk
Saintd. 1648
Feast: 5 September and 20 July