The Hsinchu County Council is the elected county council of Hsinchu County, Republic of China. The council composes of 35 councilors lastly elected through the 2018 Republic of China local election on 24 November 2018.

Hsinchu County is a county administered as part of the nominal Taiwan Province of the Republic of China (ROC). Located in north-western Taiwan, the population of the county is mainly Hakka; with a Taiwanese aboriginal minority in the southeastern part of the county. Zhubei is the county seat, where the government office and county office is located. A portion of the Hsinchu Science Park is located in Hsinchu County.