Sabbatarianism (disambiguation)
Sabbatarianism advocates the observation of the Sabbath in Christianity, in keeping with the Ten Commandments. Sabbatarianism may also refer to:

First-day Sabbatarianism, one of the following:
Puritan Sabbatarianism, historically the first Sabbatarians, who followed the Reformed practice of the avoidance of work and recreation on the first day of the week
Non-Sabbatarianism, general present-day Christian application of Sabbath principles to the first day of the week (Sunday)
Seventh-day Sabbatarianism, Christian observance of Sabbath on the seventh day of the week (Saturday)
Jewish Sabbatarianism, Jewish observance of Sabbath on the seventh day of the week
Subbotniks, a Russian sect categorized as Jews or Judaizing Christians
Szekler Sabbatarians, a Transylvanian and Hungarian Unitarian religious group
Biblical Sabbatarianism, observance of Sabbath according to the Bible

See also
Sabbath in Christianity