June 1 edit
Agapitus Anargyros; Angela Merici; Justin Martyr; Pamphilius;
June 2 edit
Achatius; Ada; Adalgisus; Aedhan of Cluain-Dumhuil; Aemilia; Agapitus of Pergola; Algisus; Blandina; Ecumenical Patriarch Nikephoros I of Constantinople;
June 3 edit
Abdianus; Abidianus; Achillas of Alexandria; Adalbert of Como; Adam of Termoli; Adolf Rudrigo-Mkasa; Affine; Clotilde; Janani Luwum; Kevin of Glendalough; Martyrs of Uganda;
June 4 edit
Agilmos; Pope John XXIII; Martha; Saint Optatus; Saint Petroc;
June 5 edit
Adalgrin; Aldegrin; Saint Boniface;
June 6 edit
Adulph of York; Agobard of Lyons; Agrieband of Lyons; Aguebaud of Lyons; Ini Kopuria; Norbert of Xanten; William Grant Broughton;
June 7 edit
Anthony Mary Gianelli; Colman of Dromore;
June 8 edit
Abulak; Acra; Ephrem the Syrian; Melania the Elder; Thomas Ken;
June 9 edit
Columba; Cyril of Alexandria; Ephrem the Syrian; Miron Cristea;
June 10 edit
Ephrem the Syrian; Saint Margaret of Scotland;
June 11 edit
Aeschil; Barnabas; Bartholomew the Apostle;
June 12 edit
Adalberg of Augsburg; Aeschil; Agatan; Pope Leo III;
June 13 edit
Agricius of Sens; Anthony of Padua;
June 14 edit
Aetherius of Vienne; Afra; Basil of Caesarea; Richard Baxter;
June 15 edit
Abraham of Clermont; Achaicus; Bernard of Menthon; Evelyn Underhill; Vitus;
June 16 edit
Actinea & Graecina; Adrianus; Benno; Joseph Butler; Richard of Chichester;
June 17 edit
Adeleidis; Adulph; Aedhan Dubh; Agrippinus of Como; Ajut; Saint Alban; Saint Botolph; Henrietta Barnett; Samuel Augustus Barnett;
June 18 edit
Aetherius of Nicomedia; Bernard Mizeki; Ephrem the Syrian;
June 19 edit
Aedh; Aedh O'Foirreth; Bruno of Querfurt; Jude the Apostle; Juliana Falconieri; Romuald; Sadhu Sundar Singh;
June 20 edit
Adalbert of Magdeburg; Adelgundis; Pope Silverius;
June 21 edit
Aaron of Aleth; Agapius of Kennefre; Agofred of Evreux; Aloysius Gonzaga; Eusebius of Samosata;
June 22 edit
Aaron of Aleth; Aclythenis; Saint Alban; Cerotte; Eusebius of Samosata; Nicetas of Remesiana; Sicildis;
June 23 edit
Adramas; Agrippina; Hor, Besoy, and Daydara; Joseph Cafasso;
June 24 edit
Agilbert; Agoard and Agilbert; Nativity of St. John the Baptist;
June 25 edit
June 26 edit
Mar Abbai; Abhai of Gargar; Pope Adeodatus II; Agapitus; Agatho, Lucia and Diogenes; Anthelm of Bellay; Mar Khazkiel of Daquq;
June 27 edit
Adelheidis; Adelias; Adelin; Aedh McLugack; Agatho of Lipari; Agilbert; Agoard and Agilbert; Cyril of Alexandria; Hadelin; Ladislaus I of Hungary;
June 28 edit
Acha; Agathodorus and Agathonice; Irenaeus; Pope Paul I;
June 29 edit
Acrabosia; Acrosia; Agarja; Agrippas, Dione, Eucharia, and Euphemia; Agrippina; Akerpas; Aqmaba; Aqrabanja; Asketua; Dewres; Feast of Saints Peter and Paul; Paul the Apostle; Saint Peter; Xantippe;
June 30 edit
Adilia; Aemiliana; Otto of Bamberg;