Terminalia arjuna, commonly known as arjuna or arjun tree in English, is a tree of the genus Terminalia.
The arjuna is about 20-25 metres tall; usually has a buttressed trunk, and forms a wide canopy at the crown, from which branches drop downwards. It has oblong, conical leaves which are green on the top and brown below; smooth, grey bark; it has pale yellow flowers which appear between March and June; its glabrous, 2.5 to 5 cm fibrous woody fruit, divided into five wings, appears between September and November.
The arjuna is usually found growing on river banks or near dry river beds in West Bengal and south and central India. It is known as neer maruthu in Tamil and Malayalam, and kohda in Rajasthan.