Murong Long (慕容隆) (died 397), formally Prince Kang of Gaoyang (高陽康王), was a general and imperial prince of the Chinese/Xianbei state Later Yan. He was a son of the founding emperor Murong Chui (Emperor Wucheng) and a brother of Murong Bao (Emperor Huimin), and when his brother's empire was under threat from the rival Northern Wei's prince Tuoba Gui, he tried to save it, but was killed by his nephew Murong Hui, intent on seizing power from both his father and his uncles.