In a survey on parasitic helminthes of reptiles comprising 8 species under the orders of Testudines and Sauria in different areas of the plain land and foothill zones of the Ferghana Valley of Uzbekistan from 1993 through 2001, 14 species of parasitic helminthes comprising 2 cestode and 12 nematode species new to the fauna of Uzbekistan were found. List of hosts by parasitic helminthes, extensiveness and intensity of the infection, the time and sites of findings of the helminthes are reported with brief descriptions and drawings of the female nematodes of Parapharhyngodon szczerbaki Radchenko et Shapiro, 1975, Mehdiella hamosa Forstner, 1960 and the male of Abbreviata schulzi Markov et Bogdanov, 1961.