Former Christian denominations

The Adamites, also called Adamians, were adherents of an early Christian sect reportedly active in North Africa during the 2nd through 4th centuries. According to ancient sources, the group practiced ritual nudity, believing they had regained the primeval innocence of Adam and Eve before the Fall. Similar beliefs and practices were attributed to various groups in medieval and early modern Europe, whose adherents were also labeled Adamites by contemporary chroniclers.

movement within German Protestantism during Nazi Germany that arose in opposition to nazi efforts to unify all churches into a single pro-Nazi Protestant Reich Church

Christian church in medieval Bosnia

Reformed Christian denomination in the Netherlands

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sect of 4th-century Christianity described by Epiphanius of Salamis

former sect in Uganda

movement within Nazi Germany which mixed ideas of racial purity and Nazi ideology with elements of Christianity

The Tondrakians () were members of an anti-feudal Christian sect that flourished in medieval Armenia between the early 9th and the 11th century, centered on the district of Tondrak north of Lake Van.

former Protestant church that merged in 2004

The Athinganoi (, singular Athinganos, , Atsinganoi) were a Manichaean sect and practiced some of the Jewish customs (which can be regarded as a form of Judaizing) who lived in Phrygia and Lycaonia but were neither Hebrews nor gentiles. They kept the Sabbath but were not circumcised. They were shomer negiah.

thumb|right|Remains of Arnold of Brescia burned at the stake at the hands of the Papal guards Arnoldists were a Proto-Protestant group in the 12th century, named after Arnold of Brescia, an advocate of ecclesiastical reform who criticized the great wealth and possessions of the Roman Catholic Church, while preaching against infant baptism and transubstantiation. His disciples were also called "Publicans" or "Poplecans", a name probably deriving from Paulicians (the term "Publicani" would be generally used for any heretic, even a political traitor, throughout Europe).

In church history, the term '''' (from , , singular from , , and , ) has been applied to several sects that supposedly had no leader. E. Cobham Brewer wrote, in Dictionary of Phrase and Fable, that acephalites, "properly means men without a head." Jean Cooper wrote, in Dictionary of Christianity'', that it characterizes "various schismatical Christian bodies". Among them were Nestorians who rejected the Council of Ephesus’ condemnation of Patriarch Nestorius of Constantinople, which deposed Nestorius and declared him a heretic.

Medieval mystical group

thumb|Glasite Meeting House, Perth, Scotland

organization

sixteenth-century religious sect

thumb|'Grote Huis', Rijnsburg, baptism, ca. 1735 (Balthasar Bernards, after Louis Fabricius Dubourg, 1736) In Christian history, the Collegiants (; ), also called Collegians, were an association, founded in 1619 among the Arminians and Anabaptists in Holland. They were so called because of their colleges (meetings) held the first Sunday of each month, at which everyone had the same liberty of expounding the scripture and praying.

The Agapemonites or Community of The Son of Man was a religious cult or sect that existed in England from 1846 to 1956. It was named from the meaning "abode of love". The Agapemone community was founded by the Reverend Henry Prince in Spaxton, Somerset. The sect also built a church in Upper Clapton, London, and briefly had bases in Stoke-by-Clare in Suffolk, Brighton and Weymouth.

former Eastern Orthodox schism

people and congregations who split from the Catholic Church in France following the Concordat of 1801

Abecedarians were a 16th-century German sect of Anabaptists who rejected all human learning. Questions have been raised as to the historical accuracy of the name and sect, though the term was applied broadly to the Zwickau Prophets.

The Pasagians, also spelled Passagians or Pasagini, were a religious sect which appeared in Lombardy in the late 12th or early 13th century and possibly appeared earlier in the East. The Summa contra haereticos, ascribed to Praepositinus of Cremona, describes the Pasagians as retaining the Old Testament rules on circumcision, kosher foods, and the Jewish holy days; in other words, they observed the Law of Moses except in respect to sacrifices, and thus also were given the name Circumcisi.

Adelophagi (from the Greek terms ἄδηλος adelos "secretly," and φάγω phago "I eat") were a Christian sect mentioned by the anonymous author known as Praedestinatus. They believed that a Christian ought to eat only in private.

Traditionalist Greek Orthodox jurisdiction following the (Julian or Old) church calendar

historic Methodist denomination

organization