Society of Priests
Society stands for:
- Society of St. Pius X. (FSSPX), Association of Catholic Traditionalists, founded in 1970 by Archbishop Marcel Lefebvre
- Society of St. Pius V , founded in 1983 by today's Bishop Clarence Kelly
- Society of St. Peter , founded in 1988 by former members of the Society of St. Pius X.
- Society of St. Josaphat (Byzantine Rite), Uniate Eastern Church of the Society of St. Pius X. , founded in 2000 in Ukraine by Basil Kovpak
- Fraternité Sacerdotale Saint Jean l'Évangeliste ( Brotherhood of St. John the Evangelist) based in Stoke, Canada, founded in 1987
- Community of St. Joseph , priestly community, founded in 1995 by the then diocesan bishop Kurt Krenn in the diocese of St. Pölten
- Sociedad Sacerdotal Trento (Brotherhood of the Trientines), founded in 1993 by supporters of the Sedi vacantist bishop Moises Carmona, Mexico