Christian naturism is the practise of naturism or nudism by Christians.
Baptism of Jesus, Bordone, Giotto 1276-1336
3rd-century baptism, St. Calixte Catacomb
Adam and Eve, by Albrecht Dürer (1507)
Painting Madonna and Child with St. Anne showing Christ unashamed to be naked, being without sin. The Virgin Mary is with her mother. Caravaggio, 1606
The Adamites, also called Adamians, were adherents of an Early Christian group in North Africa in the 2nd, 3rd, and 4th centuries. They wore no clothing during their religious services. There were later reports of similar sects in Central Europe during the Late Middle Ages.
1898 illustration by E. J. Sullivan, heading to "Adamitism", chapter IX of Sartor Resartus (1833–34) by Thomas Carlyle
The arrest of neo-Adamites in a public square in Amsterdam (Engraving from the mid-18th century).