Globally, 동하 (Dongha 
, 동하 , Dong-Ha 
) is a rare boy's forename. The forename 동하 is characteristic of South Korea, where it is quite a rare masculine name, and the United States, where it is an extremely rare unisex name. Very seldom, 동하 is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Dongha | Democratic Republic of the Congo, South Korea, China, United Kingdom, United States |
| 동하 | South Korea |
| Dong-Ha | Canada, Germany, United States |
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이동하 South Korean writer, KR (b. 1942) |
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| 김동하 Manchukuo & South Korean soldier (1920-1993), KR (b. 1920) |
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정동하 South Korean singer, KR (b. 1980) |
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| 박동하 South Korean actor, KR (b. 1974) |
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| 김동하 South Korean voice actor, KR (b. 1978) |
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| 채동하 South Korean singer, KR (b. 1981) |
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| 이동하 South Korean actor, KR (b. 1983) |
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| 김동하 South Korean League of Legends player, KR (b. 1995) |
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