One of the rare complications of brucellosis is neurobrucellosis. There havebeen numerous reports showing clinical forms of brucellosis affecting CNS, such as cranial nerve involvement, myelitis, vascular disease, radiculoneuritis, meningitis, meningoencephalitis, and demyelinating disease. In this casereport, we introduce a 2.5 yr old girl with unilateral abducens nerve palsyreferred to Baghiyatallah Hospital Outpatient Clinic, Tehran, Iran in June 2015.