Hernán Larraín Fernández (born September 21, 1947) is a conservative Chilean lawyer, university lecturer, and politician; he served as the Chilean Minister of Justice and Human rights, appointed by president Sebastián Piñera, between 2018 and 2022.

Larraín's former public service positions include a Senate seat representing the 11th district, the Maule Region (1994–2010), the Presidency of the Senate (2004–2005) and the presidency of the Independent Democratic Union (Unión Demócrata Independiente, UDI) from 2006 to 2008 and 2015 to 2017.

[1] Larraín is married to Magdalena Matte, a Chilean civil engineer, businesswoman and politician.

Larraín has been professor of the School of Law at the Pontifical Catholic University of Chile, where he served as secretary-general.

Despite having belonged to the Gremialista movement, he did not join the Independent Democratic Union until after the assassination of its founder Jaime Guzmán in 1991.