Wi Janghang () was a prince of Ugeo (the last king of Wiman Joseon). At that time, Emperor Wu of Han sent warrior to surrender Wiman Joseon and his father, Ugeo, was killed by an assassin. Even after the king's death, some ministers resisted against the Han dynasty. The Han dynasty made Wi Janghang who already surrendered to kill those ministers and subdued Wiman Joseon.
After the surrender, he was appointed to the Marquis of Ji (Hanja:幾侯) by the Han dynasty, but in two years he was executed for rebellion.