Sedna most commonly refers to:

Sedna (dwarf planet), a trans-Neptunian dwarf planet Sedna (mythology), the Inuit goddess after whom said dwarf planet is named.

Sedna may also refer to:

Sednoid, a group of Trans-Neptunian objects in our Solar System Sedna (beverage), a tonic wine, formerly made in Belfast Sedna (database), a native XML database Doriprismatica sedna, a species of nudibranch Sedna Finance, a structured investment vehicle Sedna Planitia, a landform on Venus Sedna pirata, a species of solifuge, and its monotypic genus Sedna Sedna IV, a ship Sedna Desgagnés, a cargo ship See also

Sétna (disambiguation)