An oceanic ridge is an underwater mountain range, usually formed by plate tectonics.

• Atlantic-Indian Ridge
• East Pacific Rise
• Emperor Seamounts
• Gakkel Ridge
• Hawaiian Ridge
• Kerguelen Plateau
• Mid-Atlantic Ridge
• Mid-Indian Ridge
• Nazca Ridge
• Pacific-Antarctic Ridge
• Reykjanes Ridge
• Bermuda Rise
• Rockall Rise
• Southeast Indian Rise
• Southwest Indian Ridge
• Walvis Ridge