Silurian (disambiguation)

Silurian may refer to:

• Silurian, the geological period and system lasting roughly from 445 million years ago to 415 million years ago
• Silurian, the society, culture, language, and ethnicity of the Silures, an ancient Welsh tribe
• Silurian, the racehorse that won the 1923 Doncaster Cup
• Silurian (Doctor Who), a fictional race of humanoid reptiles who existed before humanity
• Silurian Hills, a small range of hills in the Mojave Desert
• Siluria Technologies, a San Francisco-based technology company