Fibro-osseous lesions are group of lesions which are known to affect jaws and the craniofacial bones which is regarded as a very confusing area in diagnostic pathology. The term refers to a diverse process in which normal architecture of bone is replaced by fibrous tissue containing varying amount of foci of mineralization. Radio graphically, fibro-osseus lesions may manifest solitary, multifocal, may be ill defined or well defined, they may be radiolucent mixed radiolucent radio-opaque. Treatment varies depending on nature of lesion.