Mutator

Mutator may refer to:

Science and technology

 * Mutator method, an object method that changes the state of the object
 * Mutator, the application program which mutates the object dependency graph in garbage collection
 * Mutator genotype, a genotype that exhibits high rates of mutation
 * Mutator, the central shaft in some scraped surface heat exchangers

Other uses

 * Mutator (comics), the nickname of a paranormal in Marvel Comics comic DP7, in the New Universe imprint
 * Mutators, mods in the Unreal series