Mutation, a change in the sequence of an organism's genetic material

Consonant mutation

Savage Land Mutates, a group of mutants in Marvel Comics

Mutations (album), an indie rock album by Beck

Mutate (comics), a group and term used in Marvel Comics

Mutation (novel), a medical thriller by Robin Cook

Mutation (knot theory), an operation on a knot that creates different knots

Mutation (genetic algorithm), an operator in a genetic algorithm

Mutations (Fight album), by the metal band Fight