Petrify may refer to:
- The recurring enemy ability.
- The recurring status effect for when a unit is stone.
- The recurring status effect when a unit is turning to stone.
- The enemy ability from Final Fantasy IV.
- The enemy ability from Final Fantasy IX.
- The Assassin ability from Final Fantasy Tactics.
- The enemy ability from The Final Fantasy Legend.
- The enemy ability from Final Fantasy: The 4 Heroes of Light.
In geology, petrifaction or petrification is the process by which organic material is converted into stone through the replacement of the original material and the filling of the original pore spaces with minerals.