Namesakes
Aat de Roos
(m) 1919-1992 
Olympic Medalists 1936 field hockey (bronze)
Agatho
(a.k.a. Agathon) (m) ?-681
Bishops of Rome and the Popes 678-681
Saints
Agathon
(m)
Characters in Greek Mythology
Agathon I
(m) c. 600-680
Coptic Popes and Patriarchs of Alexandria 662-680