Primary peritoneal hydatidosis is a rare condition and it was mistiaken for ovarian cyst. Hydatid disease is caused by dog tape worm, Echinococcus granulosus, and is the commonest one having worldwide distribution. Human hydatid disease results from infection with larval form of Echinococcus granulosus. The disseminated intra-peritoneal hydatid disease is a rare finding. A case of disseminated intra-abdominal hydatid disease is presented along with a review of literature and various therapeutic modalities.