Silesites is an ammonite genus placed in the family Silesitidae. Species in this genus were fast-moving nektonic carnivores. They lived during the Cretaceous, in the Barremian age. The type species of the genus is Silesites seranonis .
Fossils of species within this genus have been found in the Cretaceous sediments of Antarctica, France, Hungary, Italy, Mexico, Morocco, Slovakia, Spain.