What is "eustathius"

Eustathius or Eustathios may refer to:

• Eustathius of Antioch, Patriarch of Antioch (c. 320 – c. 330)
• Eustathius of Sebaste, Bishop of Sebastia in Armenia ( fl. 350)
• Eustathius of Cappadocia (4th century) Neoplatonist, orator, and diplomat
• Eustathius (consul 421), Roman consul in 421
• Eustathius of Epiphania, sixth-century Byzantine historian
• Eustathios (governor of the Cibyrrhaeot Theme), Byzantine governor (fl. ca. 910)
• Eustathios Maleinos (fl. 960s–980s), Byzantine general and magnate
• Eustathios Rhomaios (c. 970–1030), Byzantine jurist
• Eustathios Daphnomeles (fl. early 11th century), Byzantine general
• Eustathios Palatinos (fl. mid-11th century), Byzantine Catepan of Italy
• Patriarch Eustathius of Constantinople from 1019 to 1025
• Eustathios Makrembolites (fl. late 12th century), Byzantine novelist
• Eustathius of Mtskheta (died 551), Georgian saint
• Eustathius of Thessalonica (fl. late 12th century), bishop famous for his commentaries on Homer
• Ewostatewos, Ethiopian saint (c.1273 – c.1352)
• Jevstatije I (fl. late 13th century), Serbian saint
• Jevstatije II (fl. ), Serbian saint

Flavius Eustathius (fl. 415–422) was a politician of the Eastern Roman Empire.