Chang'an University (CHD) is a public university located in Xi'an, Shaanxi, China. It is affiliated with the Ministry of Education, and co-funded with the Ministry of Transport, the Ministry of Natural Resources, the Ministry of Housing and Urban-Rural Development, and the Shaanxi Provincial People's Government. The university is part of the Double First-Class Construction and Project 211.

On April 18, 2000, Xi'an Highway and Transportation University, Xi'an Engineering College, and Northwest Architectural Engineering College  merged to form Chang'an University.