Deqing County, formerly romanized as Takhing, is a county in western Guangdong province, China, under the administration of the prefecture-level city of Zhaoqing.
Under the Qing, Deqing County made up part of the commandery of Zhaoqing.
In 2025, researchers confirmed that a mountaintop crater in Deqing County is the result of an impact event estimated to have occurred during the Holocene-era, less than 11,700 years ago. The crater is the largest known impact crater stemming from an impact during the Holocene era.