This is a list of the Sites of Special Scientific Interest (SSSIs) in Somerset, England, United Kingdom.
In England the body responsible for designating SSSIs is Natural England, which chooses a site because of its fauna, flora, geological or physiographical features.
[1] There are 127 sites designated in this Area of Search, of which 83 have been designated due to their biological interest, 35 due to their geological interest, and 9 for both.
The data in the table is taken from English Nature in the form of citation sheets for each SSSI.
[4] For other counties, see List of SSSIs by Area of Search.