List of canals
 |
| Name | Location | Purpose | Status |
|---|---|---|---|
| Danube–Bucharest Canal | Romania | Connect Bucharest with the Danube and the Black Sea via the existing Danube–Black Sea Canal | Started in 1986, paused |
| Istanbul Canal | Turkey | Connect the Black and Aegean seas; alternate to Bosporus | Started in June 2021 |
| Eurasia Canal | Russia, Kuma-Manych Depression | Connect the Caspian Sea to the Black Sea | Proposed |
| Nicaragua Canal | Nicaragua | Connect the Atlantic and Pacific oceans, alternative of Panama Canal | Proposed |
| Sulawesi Canal | Indonesia | Connect the Gulf of Tomini with the Makassar Strait | Proposed |
| Thai Canal | Thailand | Cut across the Kra Isthmus | Proposed |
| Salwa Canal | Saudi Arabia | Shipping and tourism canal along the border with Qatar | Proposed |
| Iranrud Waterway | Iran | Connect the Persian Gulf to the Caspian Sea through Iran | Abandoned |
| Northern river reversal | Russia | Divert the flow of the Northern rivers from the Arctic Ocean | Abandoned in 1986 |