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A choanal polyp (CP) manifests as a unilateral benign growth blocking the nasal passage and most commonly originates from the maxillary sinus. A lesion from the superior turbinate has never been documented earlier. We report a case of a 21-year-old male presenting with a 6-month history of left-sided nasal obstruction, purulent discharge from the left side of the nose, and snoring. A CP originating from the superior turbinate was diagnosed and was removed by endoscopic endonasal surgery. There were no intraoperative or postoperative complications occurred, and the symptoms were resolved after the surgery. This article also discusses the clinical features, pathogenesis, and surgical treatment of this entity. Although very rare, a CP arising from the superior turbinate must be considered in the differential diagnosis of a solitary nasal polyp.