Siletz (/sɪˈlɛts/ suh-LETS, Tolowa: sii-let-ts’i [5]) is a city in Lincoln County, Oregon, United States.

The city is located next to the Siletz Reservation and is the site of the annual Nesika Illahee Pow Wow in August.

According to the United States Census Bureau, the city has a total area of 0.63 square miles (1.63 km2), all of it land.

There were 483 housing units at an average density of 766.7 per square mile (296.0/km2).

21.0% of all households were made up of individuals, and 7.6% had someone living alone who was 65 years of age or older.

19.8% of all households were made up of individuals, and 9.5% had someone living alone who was 65 years of age or older.