This article lists proposed canals, that have not yet been built.

• The Eurasia Canal, proposing to connect the Caspian Sea to the Black Sea
• The Istanbul Canal, which would connect the Black and Aegean seas.^[1]
• The Thai Canal, which would cut across the Kra Isthmus
• The Nicaragua Canal, alternative of Panama Canal
• The Salwa Canal, a proposed Saudi shipping and tourism canal along the border with Qatar
• The Northern river reversal in the Soviet Union
• The Sulawesi Canal, which would connect the Gulf of Tomini with the Makassar Strait.