Nessa may refer to:




Fiction and mythology

  • Nessa (Middle-earth), a Vala in J. R. R. Tolkien's Eä universe.
  • Nessa Jenkins, a character played by Ruth Jones in the BBC television series Gavin & Stacey
  • Nessa Warner, a character played by Sadie Shimmin in the ITV television soap opera, Coronation Street
  • In the musical Wicked, "Nessa" is sometimes used as a nickname for Nessarose
  • Conchobar mac Nessa, the king of Ulster in the Ulster Cycle of Irish mythology. He ruled from Emain Macha (Navan Fort, near Armagh)
  • Ness (Irish mythology), a legendary Irish princess