Fission

Fission, a splitting of something into two or more parts, may refer to:


 * Fission (biology), the division of a single entity into two or more parts and the regeneration of those parts into separate entities resembling the original
 * Nuclear fission, when the nucleus of an atom splits into smaller parts
 * Fission (band), a Swedish death metal band
 * Fission (album), by Jens Johansson