- Congregation of the Hermits of Saint John the Baptist, of France, founded, c.1630, by Brother Michel de Saint-Sabine, to reform and unite hermits of various dioceses.
- Congregation of Missionary Priests of Saint John the Baptist, founded in Genoa by Domenico Olivieri, c.1755, to hold missions in Rome and Italy.
Some members were sent to Bulgaria, Macedonia, and China.
The society disappeared in the Italian troubles of the 18th century.
- Hermit Sisters of Saint John the Baptist, founded in Genoa by Giovanna Solimani, 1730, cloistered and very rigorous in discipline, now maintaining several convents in Italy.
New Catholic Dictionary