Prince Yeollyeong (Korean: 연령군; Hanja: 延齡君; June 13, 1699 – October 2, 1719) was the sixth son of King Sukjong of Joseon. His personal name was Yi Hwon (이훤; 李昍) while his childhood name was Insu (인수; 仁壽),[1] and his courtesy name was Munsuk (문숙; 文叔).[2][3]