Siren may refer to:
- The recurring item.
- The recurring summon.
- The boss from Final Fantasy V.
- The server in Final Fantasy XI.
- The boss from Final Fantasy XIV: A Realm Reborn.
- The enemy from The Final Fantasy Legend.
- The enemy from Final Fantasy Legend III.
- The enemy from Final Fantasy Dimensions.
- The boss from Final Fantasy Record Keeper.
- The Mirage from World of Final Fantasy.
Sirens are from Greek mythology. In the story of Odysseus, the Sirens are beautiful women who lure sailors with their voices. Odysseus escaped the Sirens by having all his sailors plug their ears with beeswax. He was curious as to what the Sirens sounded like, so he let himself be tied to the mast to ensure he could not fall victim to their voices.