- Source: Nicias (disambiguation)
Nicias (c. 470–413 BC) was an Athenian politician and general during the Peloponnesian War. The name may also refer to:
Nicias (Indo-Greek king) (r. 90–85 BC), Indo-Greek king in modern-day Pakistan
Nicias of Kos (died c. 20 BC), Greek tyrant of the island of Kos
Nicias of Miletus (4th–3rd century BC), ancient Greek physician and epigrammatist
Nicias (beetle) (Nicias alurnoides), a genus of beetles in the family Cerambycidae