Jaw cysts with sebaceous elements are unusual. Four cases of developmental odontogenic cyst associated with sebaceous glands are reported. Two of the cases were parakeratinized odontogenic keratocysts (Keratocystic odontogenic tumor) and two were orthokeratotic odontogenic keratocysts (Orthokeratinized odontogenic cyst). Two patients were female and two were male. One of these cases was in the second decade, two were in the third decade and one was in the sixth decade. All cysts were in the mandible. Three of the lesions were located in the posterior region including mandibular ramus; one was located between the right first molar and the left canine teeth, including embedded right canine. Some authors claim that cysts with sebaceous elements are intraosseous counterpart of dermoid cysts and refuse theories of their odontogenic origin. Whereas all of our lesions were odontogenic developmental cysts, we observed sebaceous glands within, subjacent or distant to epithelial lining in some areas.