The Roman Calendar of Saints, revered by the Roman Catholic Church, assigns specific dates to honor and celebrate the lives and feast days of saints, weaving a tapestry of devotion and heavenly significance.
January
- January 1: Solemnity of Mary, Mother of God
- January 2: St. Basil and St. Gregory Nazianzen
- January 4: St. Elizabeth Ann Seton
- January 5: St. John Neumann
- January 6: Blessed Andre Bessette
- January 7: St. Raymond of Penyafort
- January 13: St. Hilary of Poitiers
- January 17: St. Anthony of Egypt
- January 20: St. Sebastian and St. Fabian
- January 21: St. Agnes
- January 22: St. Vincent of Zaragossa
- January 24: St. Francis de Sales
- January 25: Conversion of St. Paul
- January 26: St. Timothy and St. Titus
- January 27: St. Angela Merici
- January 28: St. Thomas Aquinas
- January 31: St. John Bosco
- February 3: St. Blaise
- February 3: St. Ansgar
- February 5: St. Agatha
- February 6: St. Paul Miki and Companions
- February 8: St. Jerome Emiliani
- February 10: St. Scholastica
- February 11: Our Lady of Lourdes
- February 14: St. Cyril and St. Methodius
- February 17: Seven Founders of the Servite Order
- February 21: St. Peter Damian
- February 22: Chair of St. Peter
- February 23: St. Polycarp
March
- March 3: Blessed Katharine Drexel
- March 4: St. Casimir
- March 7: St. Perpetua and St. Felicity
- March 8: St. John of God
- March 9: St. Frances of Rome
- March 17: St. Patrick
- March 18: St. Cyril of Jerusalem
- March 19: St. Joseph, Spouse of the Blessed Virgin Mary
- March 23: St. Turibius of Mongrovejo
April
- April 2: St. Francis of Paola
- April 4: St. Isidore of Seville
- April 5: St. Vincent Ferrer
- April 7: St. John Baptist de la Salle
- April 11: St. Stanislaus
- April 13: St. Martin I
- April 21: St. Anselm
- April 23: St. George
- April 24: St. Fidelis of Sigmaringen
- April 25: St. Mark
- April 28: St. Peter Chanel
- April 29: St. Catherine of Siena
- April 30: St. Pius V
May
- May 1: St. Joseph the Worker
- May 2: St. Athanasius
- May 3: St. Philip and St. James
- May 12: St. Nereus and St. Achilleus
- May 12: St. Pancras
- May 14: St. Matthias
- May 15: St. Isidore the Farmer
- May 18: St. John I
- May 20: St. Bernardine of Siena
- May 25: St. Bede the Venerable
- May 25: St. Gregory VII
- May 25: St. Mary Magdalene de Pazzi
- May 26: St. Philip Neri
- May 27: St. Augustine of Canterbury
- May 31: Visitation of the Blessed Virgin Mary
- Immaculate Heart of Mary (Saturday after the Feast of the Sacred Heart)
June
- June 1: St. Justin Martyr
- June 2: St. Marcellinus and St. Peter
- June 3: St. Charles Lwanga and Companions
- June 5: St. Boniface
- June 6: St. Norbert
- June 9: St. Ephrem
- June 11: St. Barnabas
- June 13: St. Anthony of Padua
- June 19: St. Romuald
- June 21: St. Aloysius Gonzaga
- June 22: St. Paulinus of Nola
- June 22: St. John Fisher and St. Thomas More
- June 24: Birth of St. John the Baptist
- June 27: St. Cyril of Alexandria
- June 28: St. Irenaeus
- June 29: St. Peter and St. Paul
- June 30: First Martyrs of the Church of Rome
July
- July 1: Blessed Junipero Serra
- July 3: St. Thomas
- July 4: St. Elizabeth of Portugal
- July 5: St. Anthony Zaccaria
- July 6: St. Maria Goretti
- July 11: St. Benedict
- July 13: St. Henry
- July 14: Blessed Kateri Tekakwitha
- July 14: St. Camillus de Lellis
- July 15: St. Bonaventure
- July 16: Our Lady of Mount Carmel
- July 21: St. Lawrence of Brindisi
- July 22: St. Mary Magdalene
- July 23: St. Bridget
- July 25: St. James
- July 26: St. Joachim and St. Ann
- July 29: St. Martha
- July 30: St. Peter Chrysologus
- July 31: St. Ignatius of Loyola
August
- August 1: St. Alphonsus Liguori
- August 2: St. Eusebius of Vercelli
- August 4: St. John Vianney
- August 5: Dedication of the Basilica of St. Mary Major
- August 7: St. Sixtus II and Companions
- August 7: St. Cajetan
- August 8: St. Dominic
- August 10: St. Lawrence
- August 11: St. Clare
- August 13: St. Pontian and St. Hippolytus
- August 14: St. Maximilian Kolbe
- August 15: Assumption of the Blessed Virgin Mary
- August 16: St. Stephen of Hungary
- August 19: St. John Eudes
- August 20: St. Bernard
- August 21: St. Pius X
- August 22: Queenship of the Blessed Virgin Mary
- August 23: St. Rose of Lima
- August 24: St. Bartholomew
- August 25: St. Louis
- August 25: St. Joseph Calasanz
- August 27: St. Monica
- August 28: St. Augustine
- August 29: Beheading of St. John the Baptist
September
- September 3: St. Gregory the Great
- September 8: Nativity of the Blessed Virgin Mary
- September 9: St. Peter Claver
- September 13: St. John Chrysostom
- September 15: Our Lady of Sorrows
- September 16: St. Cornelius and St. Cyprian
- September 17: St. Robert Bellarmine
- September 19: St. Januarius
- September 20: St. Andrew Kim Taegon, St. Paul Chong Hasang and Companions
- September 21: St. Matthew
- September 26: St. Cosmas and St. Damian
- September 27: St. Vincent de Paul
- September 28: St. Wenceslaus
- September 28: St. Lawrence Ruiz and Companions
- September 29: St. Michael, St. Gabriel and St. Raphael
- September 30: St. Jerome
October
- October 1: St. Theresa of the Child Jesus
- October 2: Guardian Angels
- October 4: St. Francis of Assisi
- October 6: St. Bruno
- October 6: Blessed Marie Rose Durocher
- October 7: Our Lady of the Rosary
- October 9: St. Denis and Companions
- October 9: St. John Leonardi
- October 14: St. Callistus
- October 15: St. Teresa of Avila
- October 16: St. Hedwig
- October 16: St. Margaret Mary Alacoque
- October 17: St. Ignatius of Antioch
- October 18: St. Luke
- October 19: St. Isaac Jogues, St. John de Brebeuf and Companions
- October 19: St. Paul of the Cross
- October 23: St. John of Capistrano
- October 24: St. Anthony Mary Claret
- October 28: St. Simon and St. Jude
November
- November 1: All Saints
- November 2: All Souls
- November 3: St. Martin de Porres
- November 4: St. Charles Borromeo
- November 9: Dedication of St. John Lateran Basilica
- November 10: St. Leo the Great
- November 11: St. Martin of Tours
- November 12: St. Josaphat
- November 13: St. Frances Xavier Cabrini
- November 15: St. Albert the Great
- November 16: St. Margaret of Scotland
- November 16: St. Gertrude
- November 17: St. Elizabeth of Hungary
- November 18: Dedication of the Churches of St. Peter and St. Paul
- November 18: St. Rose Philippine Duchesne
- November 21: Presentation of the Blessed Virgin Mary
- November 22: St. Cecilia
- November 23: St. Clement
- November 23: St. Columban
- November 23: Blessed Miguel Agustin Pro
- November 24: St. Andrew Dung-Lac and Companions
- November 30: St. Andrew
December
- December 3: St. Francis Xavier
- December 4: St. John Damascene
- December 6: St. Nicholas
- December 7: St. Ambrose
- December 8: Immaculate Conception of the Virgin Mary
- December 11: St. Damasus
- December 12: Our Lady of Guadalupe
- December 12: St. Jane Frances de Chantal
- December 13: St. Lucy14 St. John of the Cross
- December 21: St. Peter Canisius
- December 23: St. John of Kanty
- December 26: St. Stephen
- December 27: St. John, Apostle and Evangelist
- December 28: Holy Innocents
- December 29: St. Thomas Becket
- December 31: St. Sylveste
