Eleven genera and fourteen species of Encyrtidae are recorded from Portugal for the first time. Four species: Cheiloneurus boldyrevi Trjapitzin et Agekian, Syrphophagus taeniatus (Forster), S. aeruginosus (Dalman) and Cerchysius subplanus (Dalman) are recorded for the first time from the Iberian Peninsula. Two new species, Pseudaphycus portugalensis sp. n. and Tetracnemoidea coimbrensis sp. n., are described. Distribution, synonyms and hosts for each new record are given.