The Communist Party of Greece, Interior (Greek: Κομμουνιστικό Κόμμα Ελλάδας Εσωτερικού), usually abbreviated as KKE Interior (Greek: ΚΚΕ Εσωτερικού), was a Eurocommunist party existing between 1968 and 1987 in Greece.

The party was formed after the Communist Party of Greece (KKE) suffered a major split following the 1968 Warsaw Pact invasion of Czechoslovakia and the suppression of the Prague Spring.

[3] KKE Interior was greatly active in the struggle against the Regime of the Colonels that ruled Greece from 1967 to 1974 through the Panhellenic Antidictatorial Front (abbrev.

During the period that followed the overturn of the Regime of the Colonels, known as the Metapolitefsi, the party remained electorally active, either on its own or in broader leftist coalitions.

[4] Through different routes, both would end up part of the Coalition of the Radical Left (SYRIZA).