| Donghwa-dong | |
| Translit Lang1: | Korean |
| Translit Lang1 Type: | Hangul |
| Translit Lang1 Info: | 다산동 |
| Translit Lang1 Type1: | Hanja |
| Translit Lang1 Info2: | Donghwa dong |
| Translit Lang1 Info3: | Tonghwa tong |
| Translit Lang2 Type: | Hangul |
| Translit Lang2 Type1: | Hanja |
| Coordinates: | 37.561°N 127.018°W |
| Subdivision Type: | Country |
| Subdivision Name: | South Korea |
| Subdivision Type1: | Region |
| Seat Type: | Capital |
| Parts Style: | para |
| Leader Title: | Mayor |
| Area Total Km2: | 0.26 |
| Population Total: | 11953 |
| Population As Of: | 2013[1] |
| Population Density Km2: | auto |
| Blank Name Sec1: | Dialect |
Donghwa-dong is a dong, neighbourhood of Jung-gu in Seoul, South Korea.
Donghwa-dong is an administrative dong located in the eastern part of Jung-gu. It shares its eastern border with Seongdong-gu and is connected to Ahyeok-dong to the south within the same district. To the west, it borders Sindong-dong, and to the north, it is adjacent to Sindong 5-dong. Originally, the administrative dongs in this area were designated with numerical names from Sindong 1-dong to Sindong 6-dong, assigned by the government in a mechanical manner. Subsequently, a resident survey was conducted to select new names from publicly solicited candidates. Consequently, on July 20, 2013, all dongs, except Sindong 5-dong, underwent a simultaneous name change, with Sindong 6-dong being renamed as "Donghwa-dong."