A trilobite is a type of extinct marine arthropod.
Trilobite or Trilobites also may refer to: Trilobites (genus), an obsolete genus of the arthropods Trilobite: Witness to Evolution (2001), book by Richard Fortey Electrolux Trilobite, robot vacuum cleaner Trilobyte, computer game developer The Trilobites, Australian rock band
See also Terabyte Trilobite beetle (Platerodrilus), an insect Trilobite larva, a juvenile stage in certain invertebrates