海桐（学名：Pittosporum tobira），海桐科海桐属植物，又名海桐花。

常绿的小乔木或灌木，最高可达3米。倒卵状长椭圆形较厚的叶子，有光泽；花期5月开芬芳的白色五瓣花，花聚集小枝顶上成伞形，后来花变黄色；果熟期在10月，卵形蒴果，成熟后果实三裂。

Pittosporum tobira is a species of flowering plant in the Pittosporum family known by several common names, including Australian laurel, Japanese pittosporum, mock orange and Japanese cheesewood. It is native to Japan, China, and Korea, but it is used throughout the world as an ornamental plant in landscaping and as cut foliage.