- Marists (6)
- Jesuits (32)
- Benedictines (64)
- Salesians (6)
- Dominican (19)
- Daughters of St. Paul
- Mission is to communicate the Gospel message, responding to the hopes and needs of all people with the Word of God. - Knights of Malta (9)
- Congregation of Marians of the Immaculate Conception
- Offers information on the Divine Mercy, the National Shrine of the Divine Mercy, and the Association of Marian Helpers. - Franciscans (26)
Jesuits
- In Ireland and Britain.- Sisters of Mercy (2)
- Legion of Christ
- International congregation of Roman Catholic Priests. - Augustinians (4)
- Carmelites (11)
- Claretians
- Order founded by the Spanish priest St. Anthony Mary Claret. Activities include publications, missions, volunteers, electronic communications, etc. - Cistercians@
- Order of Canons Regular of Premontre
- International location for the order of priests, brothers and sisters also known as Premonstratensians, Norbertines, or White Canons. - Community of Saint John
- Religious brothers, sisters, and laity who aim to live the evangelical counsels revealed in the Gospel of St. John. Also in French, Dutch, and Spanish. - Madonna House Apostolate
- Lay community of men, women, and priests founded by Catherine de Hueck Doherty. - Society of Our Lady of the Most Holy Trinity
- Includes Catholic news, information on SOLT's missions, and documentation. - Passionists (2)
- School Sisters of Notre Dame - International Order
- International Roman Catholic community serving North and South America, Africa, Japan, Guam, and Europe. - De La Salle Christian Brothers
 - Religious of the Sacred Heart (7)
English Province of the Order of Preachers
- Working in Great Britain and the West Indies.- Missionary Cenacle Family
- Catholic community of lay persons, priests and brothers, and sisters dedicated to the preservation of the faith, serving the poor and abandoned, and the development of the laity. - Teutonic Knights (4)
- Ursuline Sisters
- Live in community, devoting their lives to prayer and service with special emphasis on women and the poor. - Crosiers
- Novitiate and national headquarters of religious order of priests and brothers founded in 1210. - Oblates of St. Francis de Sales
- Group of men dedicated to the spirit of St. Francis. - Congregation of the Sacred Hearts of Jesus and Mary
- Worldwide religious community dedicated to evangelization and missionary involvement throughout the world. - Sisters of Notre Dame
- International order of catholic religious women. We are women of prayer, rooted in faith, living deeply committed lives, serving throughout the world. - Sisters of Providence (3)
- Congregation de Notre-Dame (CND)
- Founded by Marguerite Bourgeoys in the seventeenth century. International organisation of sisters, associates, and volunteers working to provide hospitality, pastoral work, spiritual and cultural education, and social justice. - Sisters of St Joseph of the Sacred Heart
 - Oblates of the Virgin Mary
- Orthodox Catholic religious community of priests and brothers, dedicated to serving Our Lord and His Mother Mary. Sisters of Our Lady of Sion
- Provide conferences, training courses, seminars, and retreats.- Catholic Encyclopedia: Nuns
- Features origin and history, various kinds, orders, and more. Order of St Augustine: Irish Province
- Irish Augustinians, a Catholic religious order, living a life both contemplative and active.- Congregation of the Most Holy Redeemer (Redemptorists) (3)
- Society of the Catholic Apostolate - The Pallottines
- Worldwide community dedicated to Saint Vincent Pallotti. - Servants of the Paraclete
- Catholic congregation of vowed religious men who since 1947 have ministered to priests and religious brothers. - Congregation of Holy Cross
- A Catholic religious order. - Little Company of Mary - Australian Province
- Order dedicated to the care of the sick and dying. - Vincentian Priests and Brothers
- Congregation of the Mission was founded by Vincent de Paul in France, 1625. Works include missions/retreats, seminaries, education, chaplaincies, and parishes. - Apostles of the Sacred Heart
- A congregation of religious women dedicated to the Sacred Heart. - Sisters of St. Joseph of Carondelet (2)
- Sisters of the Presentation of Mary, Saskatchewan
- Find prayer, information on retreats, discernment, formation-novitiate, and upcoming events in Saskatoon and Western Canada. Augustinians in Britain
- Includes history, news, and events.- Sisters of the Holy Redeemer
- Religious community of women bound together by a shared commitment to be a healing presence in a broken world. - Sisters of the Company of Mary Our Lady
- International order of women dedicated to education. Includes biography of founder Saint Jeanne de Lestonnac. - Missionary Society of St. Paul (3)
Carmelite Sisters of Ireland
 - Barnabite (4)
- Congregation of the Blessed Sacrament
- Devoted to making known the mystery of the Eucharist. Includes our ministries, publications, and online theology. - Rogationists (1)
- Sisters of Saint Joseph of Chambery
- A religious community of women responding to the needs of others with ministries in health care, education, and social service. - Ursuline Sisters of Paola
- Witnessing to the Gospel and addressing rural and religious education and vocations. - Sisters of St. Joseph of Sault Ste. Marie
- Community of Catholic religious women located mainly in Northeastern Ontario. - Sisters of Saint Martha of Prince Edward Island
- Community of women who follow Jesus Christ in religious life. - Koinonia Giovanni Battista
- Catholic charismatic community founded in Italy by Fr Ricardo Argaņaraz. - Sisters of the Precious Blood
- Contemplative community of Pontifical right consisting of several worldwide monasteries. - Sisters of Holy Cross, The
- International Congregation of Catholic religious women. - Sisters of Compassion
- Catholic women's organisation focusing on ministry, congregation, and community. - Presentation Brothers (4)
- Sisters of the Holy Family of Nazareth
- Apostolic, international religious congregation for women. - Sisters of Mercy of New York
- Prayer, life, and ministries. - Daughters of Mary of the Immaculate Conception
- Welcomes single, Catholic women over 21, of diverse cultures, talents and life experiences, who have the health and desire to grow in Gospel living as women religious. - Canons Regular of Premontre
- An order also called the Premonstratensians, or more simply, the Norbertines. - Holy Family Institute
- A religious order for married couples. - Handmaids of the Sacred Heart of Jesus, Mary and Joseph
- Public association of the faithful striving to become a religious institute. - Polish Dominicans Pastoral Centre in Australia
- Features masses, history, schools, links, and more. - Sisters of the Humility of Mary
- Catholic order of religious women ministries for the poor and needy. Discalced Carmelites
 - Immaculate Heart of Mary
- Story of the Scranton, PA branch. Turvey Monastery
- Dedicated to the work of a small Benedictine Brotherhood at Turvey Monastery.- Order of Christ
- The Supreme Order of Our Lord Jesus Christ, described as being the successor of the Order founded by the Papal Bull Ad ea ex quibus, since the Portuguese Order had lost its religious character. - Order of the Holy Sepulcher
- Information about the Equestrian Order of the Holy Sepulcher of Jerusalem.
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