Barringtonia is a genus of flowering plants in the family Lecythidaceae first described as a genus with this name in 1775. It is native to Africa, southern Asia, Australia, and various islands of the Pacific and Indian Oceans. The genus name commemorates Daines Barrington.

Plants in this genus are evergreen trees or shrubs, which may be deciduous or semi-deciduous. Leaves are entire or toothed. Inflorescences are pendulous or (rarely) erect racemes, either terminal, axillary, or cauliflorus. The calyx has four or five lobes (with the exception of B. asiatica, two or three), petals number between three and six. Stamens are numerous, arranged in three to eight whorls. Ovaries are two to four locular, with two to eight ovules per locule. The fruit may be obovate, ellipsoid or fusiform, and may be angled or winged. They contain one large seed.

The following is a list of all 73 species of Barringtonia accepted by Plants of the World Online as of June 2025^[update]: