The University of California, Los Angeles (UCLA) is a public research university in Los Angeles, CA. Founded in 1919, it is the oldest UC campus in Southern California. UCLA is considered one of the country's Public Ivy universities, meaning that it is a public university thought to provide a quality of education comparable with that of the Ivy League. US News & World Report named UCLA the best public university in the United States.

UCLA offers 337 undergraduate and graduate degree programs in a wide range of disciplines, enrolling about 31,500 undergraduate and 12,800 graduate students. UCLA had 111,322 freshmen applicants for Fall 2019, making the school the most applied-to of any American university.

The university is organized into six undergraduate colleges, seven professional schools, and four professional health science schools. The undergraduate colleges are the College of Letters and Science; Samueli School of Engineering; School of the Arts and Architecture; Herb Alpert School of Music; School of Theater, Film and Television; and School of Nursing.

As of 2017, 24 Nobel laureates, three Fields Medalists, and five Turing Award winners, and two Chief Scientists of the U.S. Air Force have been affiliated with UCLA as faculty, researchers, or alumni. Among the current faculty members, 55 have been elected to the National Academy of Sciences, 28 to the National Academy of Engineering, 39 to the Institute of Medicine, and 124 to the American Academy of Arts and Sciences. The university was elected to the Association of American Universities in 1974.