This contribution provides a compilation of soil and freshwater nematodes (Nematoda) of the orders Enoplida, Triplonchida, Mononchida, Chromadorida, Desmodorida, Monhysterida, Araeolaimida, Plectida and Aphelenchida reported in the Iberian Península and the Balearic Islands. A total of 228 species belonging to 65 genera and 36 families forro provisionally the Iberian fauna.
