Cinnabar is the common bright scarlet to brick-red form of mercury(II) sulfide.
Cinnabar may also refer to:
Cinnabar, Queensland, a locality in the Gympie Region, Queensland, Australia Cinnabar moth (Tyria jacobaeae), a brightly coloured arctiid moth Cinnabar Theater, a theater in Petaluma, California, United States Vermilion, a red pigment made from the mineral Cinnabar, a character in the manga and anime Land of the Lustrous