California State University, Dominguez Hills (CSUDH, CSU Dominguez Hills, or Cal State Dominguez Hills) is a public university in Carson, California. It was founded in 1960 and is part of the California State University (CSU) system.

In 2020, the university had an enrollment of 17,763 students, comprising 15,873 undergraduates (89.4%) and 1,890 post baccalaureates (10.6%). About half of all students identify as the first in their families to go to college. CSUDH is one of the most ethnically and economically diverse universities in the western United States. It enrolls the largest number and percentage of African American students of any CSU campus.

CSUDH offers 53 bachelor's degree programs, 26 Masters programs, a variety of single, multi-subject and specialized teaching credentials, and undergraduate, graduate, and post-baccalaureate certificate programs within its six colleges: College of Arts and Humanities, College of Business Administration and Public Policy, College of Education, College of Extended and International Education, College of Health, Human Services and Nursing, and College of Natural and Behavioral Sciences. The university is accredited by the WASC Senior College and University Commission (WSCUC). It is designated as a Hispanic-Serving Institution.

The campus is carved from the historic Rancho San Pedro, the site of the First Spanish Land Grant in California. The land remained in the continuous possession of the Dominguez family through seven generations – from its concession to Juan Jose Domínguez in 1784 to its division and acquisition by the state of California for the university. The campus mascot is the Toro.