Sergio Onofre Jarpa Reyes (8 March 1921 – 19 April 2020) was a Chilean right-wing politician who served as one of the founders of the National Renewal (Chile) Party.

Coming from a rural background, he studied agriculture at the University of Chile.

[1] He was instrumental in the formation of the National Party in 1966 and served as leader of the opposition to the left-wing government and, from 1971, editor of the anti-socialist journal Tribuna.

[1] Jarpa was appointed Minister of the Interior in 1983 with special orders to open dialogue with the opposition, which had organised under the name Democratic Alliance.

[1] Alongside his political career Jarpa was a noted author on socio-political topics and he was awarded the Premio al Mérito Geopolítico by the Chilean Institute of Geopolitics in 1991.