Nebularia incompta (common name: tessellate mitre) is a species of sea snail, a marine gastropod mollusc in the family Mitridae, the miters or miter snails.
The shell size varies between 44 mm and 160 mm
This species is distributed in the Red Sea and in the Indian Ocean along Tanzania and the Mascarene Basin; in the Indo-Pacific Region. Coral Sea - Cairns, Queensland, Australia.