6th-century BC Greek writers

Aesop ( ; , ; – 564 BCE; formerly rendered as Æsop) was a Greek fabulist and storyteller credited with a number of fables now collectively known as ''Aesop's Fables''. Although his existence remains unclear and no writings by him survive, numerous tales credited to him were gathered across the centuries and in many languages in a storytelling tradition that continues to this day. Many of the tales associated with him are characterized by anthropomorphic animal characters.

Greek historian and geographer (c.550–c.476 BC)

Greek explorer and writer of the late 6th and early 5th centuries BCE

Acusilaus, Acusilas, Acousileos, or Akousilaos () of Argos, son of Cabas or Scabras, was a Greek logographer and mythographer who lived in the latter half of the 6th century BC but whose work survives only in fragments and summaries of individual points. He is one of the authors (= FGrHist 2) whose fragments were collected in Felix Jacoby's Die Fragmente der griechischen Historiker.

Euthymenes of Massalia (; Euthymenēs ho Massaliōtēs; fl. early sixth century BCE) was a Greek explorer from Massalia (modern Marseille), who explored the coast of West Africa as far, apparently, as a great river, of which the outflow made the sea at its mouth fresh or brackish.