Anastasius is part of the name of:

• Pope Anastasius I -- Pope from 399-401
• Pope Anastasius II -- Pope from 496-498
• Pope Anastasius III -- Pope from 911-913
• Pope Anastasius IV -- Pope from 1153 to 1154
• Anastasius I of the Byzantine Empire -- (c. 430-518) Roman emperor
• Anastasius II of the Byzantine Empire -- (d. 721) Roman emperor in the East
• Anastasius -- Patriarch of Constantinople from 730-754