Silurian (disambiguation)

The Silurian is the geological period and system lasting roughly from 445 million years ago to 415 million years ago.

Silurian may also refer to:


 * Silurian, the society, culture, language, and ethnicity of the Silures, an ancient Welsh tribe
 * Silurian, the racehorse that won the 1923 Doncaster Cup
 * Silurian Press Club, the society established at 1924 by a group of maverick Park Row newspaper veterans
 * Silurian (Doctor Who), a fictional race of humanoid reptiles who existed before humanity
 * Silurian hypothesis, a thought experiment that speculates if a prior advanced civilization on Earth would leave behind present day evidence of its existence
 * Silurian Hills, a small range of hills in the Mojave Desert
 * Siluria Technologies, a San Francisco-based technology company
 * Eriopygodes imbecilla, the Silurian, a moth of the family Noctuidae