Yuzhong County (榆中县) is an administrative district in Gansu, the People's Republic of China. It is one of 58 counties of Gansu. It is part of the Lanzhou prefecture, with the city of the same name being the prefecture seat. Its postal code is 730100, and its population in 1999 was 423,336 people.
During the Jin Dynasty Yuzhong was a center of the Jinchen district located in the Yuzhong county (xian) in the Gansu province.