Anat Ninio (Hebrew: ענת ניניו‎; born August 10, 1944) is a professor emeritus of psychology at the Hebrew University of Jerusalem, Israel. She specializes in the interactive context of language acquisition, the communicative functions of speech, pragmatic development, and syntactic development. Ninio is best known for her work on joint picture-book reading of parents and young children;[1] for developing the widely used Ninio and Wheeler[2] and INCA-A[3] taxonomies of communicative acts; and for her work on syntactic development, combining learning theory with the Chomskyan Minimalist Program.[4] She has published three books,[4][5][6] and over a hundred peer-referenced papers, book chapters and conference presentations.[7] Her Erdős number is 4.