Baileyton is a town in northern Greene County, Tennessee, United States.

When the town became incorporated in 1915, the w was dropped and the name changed to "Baileyton", which stems from Claudius and Thomas P. Bailey, two brothers who lived there.

Bays Mountain, part of the greater Ridge-and-Valley Appalachians, rises prominently to the north.

[7] According to the United States Census Bureau, the town has a total area of 1.7 square miles (4.3 km2), all of it land.

[5] As of the 2020 United States census, there were 436 people, 193 households, and 105 families residing in the town.

36.3% of all households were made up of individuals, and 15.2% had someone living alone who was 65 years of age or older.

State Route 172 connects Greeneville to Interstate 81 in Baileyton.

It connects Baileyton with Tennessee State Route 70 west of town near Romeo and Tennessee State Route 93 east of Baileyton, north of Fall Branch.