Eucles of Marathon (Ancient Greek: Εὐκλῆς Ἡρώδου Μαραθώνιος, romanized: Euklēs Hērōdou Marathōnios) was a leading Athenian statesman early in the reign of Augustus.
He was responsible for the construction of the Roman Agora in Athens and was the male-line ancestor of the 2nd-century aristocrat, Herodes Atticus.
[4] He was one of the three leading figures in Athens in the Augustan period, alongside Antipater of Phlya and Pammenes of Marathon.
[2] Eucles' role in the construction of the Roman Agora at Athens is recorded in an inscription on its gate (IG II3 4, 12).
It records that Eucles' father, Herodes, had originally secured fifty talents from Julius Caesar for its construction - a letter of Cicero indicates that this occurred in 51/0 BC.