Pentti Martin Suomela (21 September 1917 Turku – 14 July 2016 Helsinki) was a Finnish diplomat, a master of philosophy.
He served as a negotiating officer at the Ministry for Foreign Affairs 1963-1965, Head of the Political Department 1965, Ambassador to Oslo from 1966 to 1972, Bucharest from 1972 to 1976 and Beijing from 1976 to 1984.