Comet may refer to:
- The recurring magic ability.
- The recurring ability cast by Palom and Porom, or Onion Knight.
- The Materia from Final Fantasy VII.
- The element from Before Crisis -Final Fantasy VII-.
comet is an icy small Solar System body (SSSB) that, when close enough to the Sun, displays a visible coma (a thin, fuzzy, temporary atmosphere) and sometimes also a tail. These phenomena are both due to the effects of solar radiation and the solar wind upon the nucleus of the comet.A