Yu Shinan (虞世南, 558–638), courtesy name Boshi (伯施), was a master of calligraphy in the early Tang Dynasty. He was also a paramount official, litterateur and well known Confucian scholar in Emperor Taizong of Tang's era.
Yu Shinan is regarded as one of the four greatest calligraphers in the early Tang Dynasty along with Ouyang Xun (歐陽詢), Chu Suiliang (褚遂良), and Xue Ji (薛稷).