Zuko (or Prince Zuko) is a fictional character on the Nickelodeon animated television series Avatar: The Last Airbender. He is voiced by Dante Basco.

Zuko is a skilled Firebender and the son of Fire Lord Ozai, ruler of the Fire Nation. Before the events of the series, he is exiled from the Fire Nation and sent to capture the Avatar; he is initially bent on capturing Aang in order to restore his honor and right to the throne in the eyes of his father. Zuko was accompanied and advised in his search by his uncle Iroh.

Although initially portrayed as an antagonist of the series, Zuko's sense of honor has caused him to go against his own nation and family. Zuko is also revealed to have an important connection to the Avatar. To that, he has realized that his real destiny is to join the Avatar, teach Aang firebending, end the war and restore balance to the world.