A mungbean cultivar ‘Sanpo’ (Vigna radiata (L.) Wilczek) was derived from the cross between SM9710-3B-7 and Jangannogdu at the Jeollanamdo Agricultural Research and Extension Services (JARES) in 2012. ‘Sanpo’ has erect growth habit, green hypocotyls, heart leaflet, dull green seed surface, and black and straight pod when matured. The stem length of ‘Sanpo’ were 71㎝, which was 5㎝ longer than check cultivar ‘Owool’. The pods number per plant, the seeds number per pod, and the seed weight of ‘Sanpo’ are similar to check cultivar. It has field resistance to cercospora leaf spot, mungbean mottle virus, and powdery mildew. In addition, ‘Sanpo’ has high lodging resistance. The hard seed rate of ‘Sanpo’ was 2.4%, which was 0.8%point lower than check cultivar. The sprout yield ratio of ‘Sanpo’ was 8.26 times, which was 10% (77%point) more than check cultivar. The average yield of ‘Sanpo’ was 1.62ton/㏊, which was 14% more than the check cultivar ‘Owool’. (Cultivar registration number: 5250)