Abstract: The aim of this paper is to increase the knowledge of the diversity of digenean parasites from rana tigrina collected in sidhi district madhya Pradesh, India. About 200 parasites representing Ommatobrephus lobatum were collected from the intestine of f Varanus bengalensisi and Tropidonotus piscator from different places of Sidhi (M.P.). They were critically analyzed for their intra specific variations. Measurements of various organs of 50 parasites were recorded for study. The body length was measured 0.910 mm. to 2.820 mm. The oral sucker range was 0.105 – 0.245 mm. X 0.176 – 0.280 mm. and ventral sucker range was 0.315 – 0.665 mm X 0.350 – 0.665 mm.