Peter Carington 6th Baron Carrington
 Peter Alexander Rupert Carington 6th Baron Carrington KG GCMG CH MC PC DL (born 6 June 1919) is a British Conservative politician. He served as British Defence Secretary between 1970 and 1974 Foreign Secretary between 1979 and 1982 and as the sixth Secretary General of NATO from 1984 to 1988. He is the last surviving member of the Cabinets of both Harold Macmillan and Sir Alec Douglas-Home.