Summonstone, also called Summon Stone may refer to:
- The map piece from Dissidia Final Fantasy and Dissidia 012 Final Fantasy.
- The summons from Dissidia Final Fantasy.
- The summons from Dissidia 012 Final Fantasy.
- The summons from Final Fantasy Airborne Brigade.
Evocation is the act of calling upon or summoning a spirit, demon, god or other supernatural agent, in the Western mystery tradition. Comparable practices exist in many religions and magical traditions and may employ the use of mind-altering substances with and without uttered word formulas.