Amaranthus tricolor, known as edible amaranth, is a species of flowering plant in the genus Amaranthus, part of the family Amaranthaceae.

The plant is often cultivated for ornamental and culinary purposes. It is known as bireum in Korea; tampala, tandaljo, or tandalja bhaji in India; callaloo in the Caribbean; and Joseph's coat in other areas, in reference to the Biblical story of Joseph and the coat of many colors. Although it is native to South and South-East Asia, A. tricolor is one of several species of amaranth cultivated in warm regions across the world. Cultivars have striking yellow, red, and green foliage.

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