Viper is an unincorporated community in Perry County, Kentucky, United States.

The community was so named on account of viper snakes near the original town site.

[2] Today Viper is served by Kentucky Route 7, 5 miles (8.0 km) south-southeast of Hazard.

Viper has a post office with ZIP code 41774.

This Perry County, Kentucky state location article is a stub.