What is "gennadius"

Gennadius or Gennadios may refer to:

• Gennadius (moth), a genus of moth
• Gennadius of Constantinople (died 471), Patriarch of Constantinople from 458-471
• Gennadius of Massilia (5th century) Roman historian, best known for his work De Viris Illustribus
• Gennadius (6th century), Byzantine general and first exarch of Africa
• Gennadius (7th century), Byzantine general and exarch of Africa
• Gennadius of Astorga (9th century), Bishop of Astorga in Spain
• Gennadius Scholarius (c. 1400 – c. 1473), Patriarch of Constantinople from 1454-1464

Gennadius (, fl. 578–600) was an East Roman (Byzantine) general and the first exarch of Africa.

Gennadius (, died c. 665), sometimes referred to as Gennadius II (his 6th-century predecessor being Gennadius I), was a Byzantine general who exercised the role of Exarch of Africa from 648 to 665, when he was finally expelled.

Gennadius is a genus of snout moths. It was described by Carl Heinrich in 1956, and contains the species G. junctor. It is found in French Guiana.