Hong 10 (Real name: Kim Hong-Yeol, Hangul: 김홍열, born on 27 December 1984 in South Korea) is a male South Korean B-boy (also known as Breakdancer). His accomplishments include both a Red Bull BC One individual title (2006) and a Battle of the Year crew title (2002). He also was a judge at the 2007 Battle of the Year world finals.