Perfect Chaos (disambiguation)

Perfect Chaos may refer to:
 * Perfect Chaos, the transformation in the Sonic the Hedgehog video games.
 * Perfect Chaos (Sonic Adventure), the boss in Sonic Adventure/Sonic Adventure DX: Director's Cut.
 * Perfect Chaos (Sonic Generations), the boss in the console/PC version of Sonic Generations.
 * Perfect Chaos (Archie), the transformation in the Sonic the Hedgehog comic series and its spin-offs.
 * Perfect Chaos (Pre-Super Genesis Wave), the version of Perfect Chaos before the Super Genesis Wave.
 * Perfect Chaos (Sonic the Comic), the transformation in the Sonic the Comic series.
 * Perfect Chaos (Sonic X), the transformation in the anime series Sonic X and its comic series.