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| Lake Name (short) | Lake Name (in full) | Country |
|---|---|---|
| Hachiro | Lake Hachiro ( Hachiro-gata ) | Japan |
| Hago | Lake Hago | Rwanda |
| Hamanako | Lake Hamana | Japan |
| Hammer | Lake Hammer | Iraq |
| Hancza | Hancza | Poland |
| Har | Lake Har | Mongolia |
| Har Us | Lake Har Us | Mongolia |
| Hartbeespoort Dam | Hartbeespoort Dam Reservoir | South Africa |
| Harveys | Harveys Lake | USA |
| Haweswater | Haweswater | UK |
| Hazen | Hazen Lake | Canada |
| Helmand | Lake Helmand | Afghanistan / Iran |
| Hemlock | Hemlock Lake | USA |
| Hirakud Reservoir | Hirakud Reservoir | India |
| Hirfanli Dam | Hirfanli Dam Reservoir | Turkey |
| Hjalmaren | Lake Hjalmaren | Sweden |
| Honeoye | Honeoye Lake | USA |
| Hovsgol | Lake Hovsgol ( Hubsugul ) | Mongolia |
| Huechulaufquen | Lake Huechulaufquen | Argentina |
| Hulun | Lake Hulun | China |
| Hungtze | Lake Hungtze | China |
| Huron | Lake Huron | Canada / USA |
| Hyargas | Lake Hyargas ( Khirgiz ) | Mongolia |