List of fictional elements, materials, isotopes and subatomic particles

This list contains fictional chemical elements, materials, isotopes or subatomic particles that either a) play a major role in a notable work of fiction, b) are common to several unrelated works, or c) are discussed in detail by independent sources.

• Elements from DC Comics Legion of Super-heroes
• Periodic Table of Comic Books – lists comic book uses of real elements
• Periodic table from the BBC comedy series Look Around You.
• Tarzan at the Earths Core