Introduction: Schwannomas are benign neurogenic tumours which rarely found in the sinonasal area. However, the schwannoma at the nasal septum is extremely rare. A computed tomography (CT) scan confirmed the exact location of the tumour at the sinonasal tract. Endoscopic biopsy under local anaesthesia confirms the diagnosis of schwannoma. Case Report: We report a case of a 32-year-old man who presented with left nasal obstruction for two months. Anterior rhinoscopy showed a smooth, firm and non-tender mass in the left nasal cavity arising at the posterior end of the nasal septum. Result: CT scan of the paranasal sinus showed a mass at the posterior end of the nasal septum on the left side. The histopathological examination and immunohistochemical examination confirmed the diagnosis of the schwannoma. Conclusion: Schwannomas are benign neoplasm and have an excellent prognosis with low potential for malignant transformation. It should be considered as the differential diagnosis of any mass arising from the nasal septum with a smooth surface. Surgical excision of the tumour is the primary treatment of choice in the case of nasal septal schwannoma. The transnasal endoscopic approach is considered the most commonly used approach for nasal septal schwannoma.