Osmo Olavi Kock (September 14, 1929, Hollola - September 15, 1994, Lahti) was a Finnish politician. Kock was Finnish People's Democratic League Member of Parliament between 1966-1970 and 1972–1974. He was member of . Kock left Parliament when he became Finnish Ambassador to East Germany, where he worked from 1974 to 1979. Later, he was Ambassador to Algeria from 1979 to 1983 and to Romania from 1987 to 1990.