California State University, Los Angeles (Cal State LA) is a public research university in Los Angeles, California, United States. It is part of the California State University system. Cal State LA offers 142 bachelor's degree programs, 122 master's degree programs, and 4 doctoral degrees: the Doctor of Philosophy in special education (in collaboration with the University of California, Los Angeles), Doctor of Education in Educational Leadership, Doctor of Nursing Practice, and Doctor of Audiology. It also offers 22 teaching credentials.

Cal State LA had a student body of 22,740 as of Fall 2024, which includes 19,350 undergraduates, primarily from the Greater Los Angeles area, and 3,390 graduate students. It is organized into 9 colleges that house a total of 4 schools and approximately 50 academic departments, divisions, and interdisciplinary programs. The university's forensic science program is one of the oldest in the nation. The Early Entrance Program in the Honors College for gifted students as young as 12 is the only one of its kind in the United States in promoting a direct transitional scheme from middle and high school to college without intermediary remedial education. Cal State LA is a Hispanic-serving institution and is eligible to be designated as an Asian American Native American Pacific Islander serving institution (AANAPISI).

The 175-acre (71 ha) hilltop campus core is home to the nation's first Charter College of Education, the Pat Brown Institute for Public Affairs, the Hertzberg-Davis Forensic Science Center, the Hydrogen Research and Fueling Facility, and the Luckman Fine Arts Complex.

It is also home to two high schools: the Marc and Eva Stern Math and Science School and the Los Angeles County High School for the Arts (LACHSA), the only arts high school in Los Angeles that allows students from any district within Los Angeles County to attend.