Gumi-dong (Korean: 구미동; Hanja: 九美洞) is one of the 19 dongs of Bundang District,, Seongnam, Gyeonggi Province. It has total area of 4.77 km2 (3.4% of Seongnam). As of April 30, 2006, there are 38,022 residents in Gumi-dong.
Gumi-dong is located at the southernmost part of Bundang, bordering Yongin, Geumgok-dong and Jeongja-dong.
Seoul National University Bundang Hospital is located in Gumi-dong near Bulgok Mountain. Also, Nonghyup Hanaro Mart, CGV Multiplex are in this area.