| Nihualac Channel | |
| Location: | Southern America |
| Pushpin Map: | Chile |
Nihualac Channel is a body of water in the Chonos Archipelago separating James and Teresa islands in the north from Melchor and Kent islands in the south. The channel has a SWW-NEE orientation. On its western end, it reaches the open Pacific Ocean while on its eastern end it connects with the north–south Moraleda Channel.