Mutant X may refer to:

• Mutant X (comics), a Marvel Comics series
• Proteus (Marvel Comics), a Marvel Comics fictional character, originally known as 'Mutant X'
• Mutant X (TV series), a television show produced by Marvel Studios that ran from 2001 to 2004

This disambiguation page lists articles associated with the title Mutant X.
If an internal link led you here, you may wish to change the link to point directly to the intended article.