- 2 January Saint Basil the Great
- 2 January Gregory of Nazianzus
- 2 January Saint Seraphim of Sarov
- 7 January Saint Raymond of Peñafort
- 10 January William Laud
- 11 January Mary Slessor
- 12 January Saint Aelred of Hexham
- 12 January Benedict Biscop
- 13 January Saint Hilary
- 13 January Kentigern
- 17 January Saint Antony of Egypt
- 17 January Charles Gore
- 19 January Saint Wulfstan
- 20 January Richard Rolle of Hampole
- 20 January Saint Fabian
- 21 January Saint Agnes
- 22 January Vincent of Saragossa
- 24 January Francis de Sales
- 25 January The Conversion of Saint Paul
- 26 January Saint Timothy and Saint Titus
- 27 January Saint Angela Merici
- 28 January Saint Thomas Aquinas
- 30 January Charles I of England
- 30 January St Hyacintha Mariscotti
- 31 January Saint John Bosco
