Jumping plant-lice (Hemiptera, Sternorrhyncha, Psylloidea) are small phloem-feeding insects. With about 400 species distributed in Europe, the European fauna is considered well-studied. However, information on psyllids occurring in the eastern Balkan Peninsula is insufficient. So far, less than a hundred psyllid species are known for Bulgaria, most of which have been reported only from a few regions. Knowledge on the psyllid fauna of the Sarnena Sredna Gora Mountains in central Bulgaria is sparse and relatively old, with only a handful of recorded species. The aim of the present study is to summarise the information on Psylloidea from this region, including recently collected material kept in the zoological collection of Sofia University. A total of 17 species were found of which 7 species had been previously published and 10 species from 3 families are new to the region: Aphalara freji Burckhardt & Lauterer, 1997 (Aphalaridae), Diaphorina lycii Loginova, 1978, Arytaina maculata (Löw, 1886), Cacopsylla bidens (Šulc, 1907), Cacopsylla melanoneura (Foerster, 1848), Cacopsylla pulchra (Zetterstedt, 1838), Livilla horvathi (Scott, 1879), Psylla foersteri Flor, 1861 (all Psyllidae), Bactericera modesta (Foerster, 1848) and Trioza rotundata Flor, 1861 (Triozidae).