| Hangul: | 장의종 |
| Rr: | Jang Ui-jong |
| Mr: | Chang Ŭi-chong |
Chang Eui-jong (born April 1, 1969, in Gokseong) is a former tennis player from South Korea, who represented his native country as a qualifier at the 1992 Summer Olympics in Barcelona, where he was defeated in the first round by Spain's eventual runner up Jordi Arrese. The right-hander reached his highest singles ATP ranking on June 17, 1991, when he became number 245 in the world.