Achilles may refer to:
1) The Asteroid of the Belt, one of the Greek Camp Trojans.
2) A Freighter.
3) The human pseudonym used by a prominent Puppeteer who was the former regional president of General Products on We Made It, and the last remaining Puppeteer on Jinx after the Puppeteer exodus from Known Space. Nicknamed Adonis by Sigmund Ausfaller before he knew the true adopted name. (Betrayer of Worlds) He used dozens of Stepping disks to damage the Planetary Drive of NP 1 thus destroying the planet. (Fate of Worlds)
4) The a Greek hero of the Trojan War and the central character and greatest warrior of Homer's Iliad.