Luoyixi Town (Chinese: 罗依溪镇; pinyin: Luōyīxī zhèn) is a Town in Guzhang County of China's Hunan Province. It is located on a bay of the Fengtan Reservoir (formerly, a southern tributary of the You River.
Hongshilin (红石林, "Red Stone Forest") National Geopark is located on the reservoir's bank northeast of town (28°41′45″N 109°59′39″E / 28.69583°N 109.99417°E).
The Luoyixi Global boundary Stratotype Section and Point is named after the town. The actual point is on the shore of the Fengtan Reservoir, some 4 km northwest (upstream) from Luoyixi Town, halfway to the neighboring Wangcun Town.
Coordinates: 28°41′00″N 109°59′00″E / 28.68333°N 109.98333°E