Yi Gwal (1587 – 15 February, 1624) was a general during the Joseon Dynasty, Korea, known for the failed Yi Gwal's Rebellion. His family belonged to the Gosung Yi clan. He rebelled against King Injo in 1624, but failed. Yi Gwal was then killed by his own troops. Yi Gwal's rebellion put Korea into a state of chaos before it was invaded by the Manchu Qing dynasty.