1. Pacific Ocean: The largest and deepest ocean, covering over 30% of the Earth's surface.

2. Atlantic Ocean: The second largest, covering about 20% of the Earth's surface.

3. Indian Ocean: The third largest, covering about 15% of the Earth's surface.

4. Southern Ocean: Surrounding Antarctica, it is the fourth largest and considered a distinct ocean since 2000.

5. Arctic Ocean: The smallest and shallowest of the world's oceans, located around the North Pole.

Let me know if you have any other questions!