Oyarzún

Oyarzún or Oyarzun may refer to:


 * Alain Oyarzun (born 1993), Spanish professional footballer
 * Aureliano Oyarzún (1858–1947), Chilean physician and anthropologist
 * Carlos Oyarzun (born 1981), Chilean professional road cyclist
 * Diego Oyarzún (born 1993), Chilean professional footballer
 * Elías Oyarzún (born 1988), Chilean handball player
 * Enrique Oyarzún Mondaca (1860–1849), Chilean politician, lawyer, President of the Senate of Chile
 * Juan Carlos Oyarzún (1951–2021), Argentine politician
 * Leonor Oyarzún (1919–2022), Chilean family therapist, First Lady of Chile (1990–1994)
 * Luis Oyarzún (footballer) (born 1982), Chilean former footballer
 * Luis Oyarzún Peña, Chilean writer and aesthetician
 * María Eugenia Oyarzún (born 1936), Chilean journalist, writer, and former diplomat
 * María José Oyarzún (born 1980), Chilean teacher, member of the Chilean Constitutional Convention
 * Mila Oyarzún (1912–1982), Chilean writer, poet and human rights activist
 * Nelson Oyarzún (1943–1978), Chilean football manager
 * Román Oyarzun Oyarzun (1882–1968), Spanish political activist, publisher, diplomat, entrepreneur, historian
 * Víctor Oyarzún (born 1980), Chilean footballer