People
* Achaeus of Eretria (born 484 BC), tragic poet * Achaeus of Syracuse (4th century BC), tragic poet * Achaeus (son of Seleucus I Nicator) (3rd century BC), Greek Macedonian nobleman * Achaeus (general) (died 213 BC), ruler of part of the Greek Seleucid kingdomMythological figures
* Achaeus (mythology), three figures in Greek mythologySee also
* Achaius, one of the legendary kings of Scotland {{Given name Greek masculine given names Masculine given names