Lhatse County is a county of Xigazê in the Tibet Autonomous Region, China. It was established in 1959, with Lhatse Town as the county seat. In 1968, Quxar Town became the county seat.

Shigatse, officially known as Xigazê, or Rikaze, is a prefecture-level city of the Tibet Autonomous Region of the People's Republic of China. Its area of jurisdiction, with an area of 182,000 km2 (70,271 sq mi), corresponds to the historical Ü-Tsang region of Tibet.