Esko Rajakoski (30 January 1934 – 20 October 2002) was a Finnish diplomat.
He served as ambassador of Finland in various countries, including Venezuela and Argentina.
Rajakoski was born in Helsinki on 30 January 1934.
In 1975 he was named as the special envoy and a plenipotential minister.
He was a negotiating officer from 1980 to 1983, ambassador to Buenos Aires in 1983[3]–1987,[4] Caracas 1989–1994[5] and Prague 1994–1999.