夜香木（学名：Cestrum nocturnum）属茄科植物。供观赏，花可用作芳香原料。又称 夜香树、夜来香、夜香花、夜光花、木本夜来香、夜香玉

直立或近攀援状灌木，高可达1-3米，枝条长而下垂，分枝柔软呈蔓性。长圆状卵形或长圆状披针形的叶片互生。腋生或顶生的伞房状花序，狭长管状的花冠，上部5浅裂，花色黄绿或洁白，白昼闭合无香气，夜晚开放、香气浓郁，生性强健，耐热耐旱，适合庭植或盆栽。。

Cestrum nocturnum (common names include night-blooming jasmine, night-blooming cestrum, lady of the night, queen of the night, night-blooming jessamine, and Hāsnühānā (Bengali:হাসনুহানা)), is a species of Cestrum in the plant family Solanaceae (the potato family). It is native to the West Indies, but naturalized in South Asia .