Following is the list of Top 10 Biggest Oceans And Seas Of The World as per US Geological Survey:
| S.No. | Name | Length (square miles) |
| 1 | Pacific Ocean | 64,196,000 |
| 2 | Atlantic Ocean | 33,400,000 |
| 3 | Indian Ocean | 28,400,000 |
| 4 | Southern Ocean | 20,327,000 |
| 5 | Arctic Ocean | 5,100,000 |
| 6 | Arabian Sea | 1,491,000 |
| 7 | South China Sea | 1,148,000 |
| 8 | Caribbean Sea | 971,000 |
| 9 | Mediterranean Sea | 969,000 |
| 10 | Bering Sea | 873,000 |
