Lefteris (Eleftherios) Valakas (Greek: Λευτέρης (Ελευθέριος) Βαλάκας) (8 May 1944 - November 1982) was a Greek sculptor. He was born in the village of Pyrgos on Tinos island in Greece. Valakas after concluding his basic education in Pyrgos, enrolled in the School of Fine Arts of Pyrgos. After graduating, he continued his studies in the respective school of Athens, Athens School of Fine Arts, for two years.