Cariacica is a municipality in the state of Espírito Santo, Brazil, part of the Greater Vitória metropolitan area.

It has a population of 383,917 (2020) and forms part of the Greater Vitória metropolitan area.

The municipality contains the 2,910 hectares (7,200 acres) Duas Bocas Biological Reserve, created in 1991 to protect part of the water supply.

After the initial settlement instigated as a point of contact between the capital Vitória and the interior, between 1829 and 1833 some Pomeranian families arrived to the area.

Rio Branco Atlético Clube is a football club based in the city.