Andrés Bello - A key figure in Latin American literature and politics, though not an alumnus in the modern sense, he is closely associated with the university named after him.
María Teresa Ruiz - An astronomer known for her discovery of the first methane brown dwarf, graduated from UNAB.
Ricardo Lagos - Former President of Chile, who studied at UNAB.
Isabel Allende - Renowned author, although she did not graduate from UNAB, she has been involved with the university in various capacities.
