Deneb Duellers, also known as Deneb, may refer to:
- The weapon from Final Fantasy XIII.
- The weapon from Final Fantasy XIV.
- The weapon from Final Fantasy Record Keeper.
Deneb is the brightest star in the constellation Cygnus and one of the vertices of the Summer Triangle. It is the 19th brightest star in the night sky, with an apparent magnitude of 1.25. A blue-white supergiant, Deneb is also one of the most luminous nearby stars.