Metacalymene is a genus of trilobites in the order Phacopida, family Calymenidae.

This genus is considered monotypic, containing only the type species: These trilobites were nektobenthic detritivore.

They lived in the Silurian period in the Ludlow epoch, from 422.9 ± 1.5 to 418.7 ± 2.8 million years ago.

Silurian of the Czech Republic.

This Phacopida-related article is a stub.