A tachyon is a hypothetical faster-than-light particle.
Tachyon or tachyonic may also refer to: Tachyonic field or tachyon, a field excitation with imaginary mass Tachyon (software), ray-tracing software Tachyon: The Fringe, a 2000 computer game Tachyon Publications, a US book publisher
See also Tachyons in fiction Tachyon condensation, a process in physics Tachyonic antitelephone, a hypothetical communication device Agnes Tachyon, a Japanese racehorse Takyon (Death Yon), a song by Death Grips Tachyon net, a device in the Dune universe Tachyon Flyer, a spaceship in the Star Wars universe Emperor Percival Tachyon, a Ratchet & Clank character Team Tachyon, a department of Tecmo Koei