Ana María Fernández Planas (16 October 1968 – 15 August 2021) was a Spanish philologist and phonetician from Catalonia.
After earning a doctorate in linguistics from the University of Barcelona (UB), she began her research in the field of articulatory phonetics in Spanish and Catalan.
In 2018, she received the Antoni Caparrós Award from the Bosch i Gimpera Foundation and UB for best knowledge transfer project.
Among her most outstanding scientific contributions is the calculation of the values of the perceptual thresholds of duration and the fundamental frequency in Spanish.
Anuario Galego de Filoloxía [es], Estudis Romànics, Caplletra [ca], Journal of the International Phonetic Association, Onomázein, Géolinguistique, Head and Neck, and Aphasiology) and some books on the same topic.