Csaba Pléh (1945) is a  Hungarian psychologist and linguist. He is a member of the Hungarian Academy of Sciences, and of the Academia Europeae (London). His empirical research mainly concentrated on the cross-linguistic study of language processing and language development, and issues of developmental language disorders. He has been working at CMU, UCSD, Vienna University, Stanford, Indian a U., Rutgers, Lyon, Eszterházy College, and Eötvös U and Technical U of Budapest.  Recently, he is professor emeritus at CogSci Central Europan University, Budapest.