Gwangmyeong is a city in Gyeonggi Province, South Korea. It borders Seoul to the north and northeast, Anyang to the east and south, and Siheung to the southwest.

There are 18 administrative districts ("dongs" in Korean) in Gwangmyeong. Specifically, these are: Gwangmyeong Dong (from 1-7; Gwangmyeong 6-dong is also known as Okgil dong), Cheolsan Dong (4 dongs), Ha-an Dong (4 dongs), Soha Dong (2 dongs; Soha 2-dong is also known as Iljik dong), and Hak-on dong (Gahak-dong and No-onsa dong).

There are 9 high schools, 10 middle schools, 21 elementary schools.

The tombs of Yi Sun Shin (not to be confused with the more famous admiral of the same name) and Lee Won Ik are in the city, just north of Gwangmyeong Station. Lee Won Ik's cultural relics are also on display here. The city is also home to the Gwangmyeong Velodrome, the largest domed structure in South Korea.

The city, though small, hosts many firms. In total, there are 630 companies employing 11,636 people.

The city was officially planned to promote small businesses. Such workers can take merits of getting fee of rent, land and even costs for investment.