Black tea is a type of tea produced from the camellia sinensis plant that is highly oxidized, resulting in a dark reddish-gold hue, a hearty, slightly astringent flavor, and a moderate amount of caffeine.

Black tea is the most popular type of tea in the West, most likely due to its bold flavor and long shelf life. The category of black tea is diverse, including several popular varieties such as English breakfast and Earl Grey. India produces half of the world's black tea, with Sri Lanka and Africa making up a large percentage of production. Black tea is enjoyed both hot and cold.