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Lingual osseous choristoma is a rare lesion. We describe a case of lingual osseous choristoma in a 23 year old female. The lesion appeared as a pedunculated mass measuring about 4×4×8 mm, near the foramen caecum of the tongue. The mass was excised under general anesthesia. Histologically this lesion consisted of a well circumscribed mass of dense lamellar bone with Haversian canals. The bony nodule was bordered by a narrow band of dense fibrous tissue, and covered with squarnous mucosa. The excised area of the tongue was healed and free of recurrence one year later.