The Congregation of the Sisters of Nazareth, until recently known as the Poor Sisters of Nazareth, are a Roman Catholic apostolic congregation of religious sisters of pontifical right, based in London, England. Members live in "Nazareth Houses" in English-speaking countries around the world: the UK, Ireland, United States, Australia, New Zealand and South Africa.

The Sisters of the Holy Family of Nazareth are a Roman Catholic religious institute that was founded in Rome in 1875 by Blessed Mary Mother of Jesus the Good Shepherd. The Sisters of the Holy Family are an apostolic, international congregation, located on four continents and in thirteen countries. There are five provinces in the United States. A Sister of this congregation is identified by the initials CSFN placed after her name.