Shen Dan (onyomi: Shin Tan) is the governor of Shangyong and Shen Yi's brother. During the Battle of Hanzhong, Cao Cao retreats and knowing he was isolated, Shen Dan submits to serve Liu Bei. Later, after Meng Da refuses to lend aid to Guan Yu, he is able to convince Meng Da to defect to Wei. In the year 227, he and his brother plot with Sima Yi against Meng Da when he plans to go back to Shu.