The adenoid cystic carcinoma is a rare tumor in the region of the head and neck, it's the common malignant tumor of the salivary glands. Its location in the nasal cavity is exceptional. We report in our study a case of adenoid cystic carcinoma of the nasal cavity of a 68-year-old patient who presents nasal symptoms. The CT- scan shows a tissue process in the right nasal cavity, the endoscopy showed a process in the right nasal cavity extending to the lower cornet. The histology confirmed the adenoid cystic carcinoma. The surgical treatment consisted on the excision of the entire tumor followed by radiation therapy.