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| Country (short) | Country (in full) | # of Registered Lake(s) |
|---|---|---|
| Macedonia | The Former Yugoslav Republic of Macedonia | 2 |
| Malawi | Republic of the Malawi | 2 |
| Malaysia | Malaysia | 4 |
| Mali | Republic of Mali | 2 |
| Mexico | United Mexican States | 5 |
| Mongolia | Mongolia | 8 |
| Montenegro | Montenegro | 1 |
| Mozambique | Republic of Mozambique | 3 |
| Myanmar | Union of Myanmar | 2 |