June 2021 | |
| 1st | St Justin, Martyr |
| 2nd | Ss Marcellinus and Peter, Martyrs |
| 3rd | Ss Charles Lwanga and Companions, Martyrs |
| 5th | St Boniface, Bishop, Martyr |
| 6th | Solemnity of The Most Holy Body and Blood of the Lord |
| 9th | St Ephrem, Deacon, Doctor of the Church St Columba |
| 11th | Solemnity of the Most Sacred Heart of Jesus St Barnabas |
| 12th | Immaculate Heart of Mary |
| 13th | 11th Sunday in Ordinary Time |
| 16th | St Richard of Chichester, Bishop |
| 19th | St Romuald, abbot |
| 20th | 12th Sunday in Ordinary Time |
| 21st | St Aloysius Gonzaga, Religious |
| 22nd | St John Fisher, Bishop & St Thomas More, Martyrs St Paulinus of Nola, Bishop |
| 23rd | St Etheldreda (Audrey), abbess |
| 24th | Solemnity of The Nativity of John the Baptist |
| 27th | 13th Sunday in Ordinary Time |
| 28th | St Irenaeus, Bishop, Martyr |
| 29th | Solemnity of Ss Peter and Paul, Apostles |
| 30th | The First Martyrs of the Holy Roman Church |