澳洲赤楠（学名：Syzygium smithii）为桃金娘科蒲桃属下的一个种。

Syzygium smithii (formerly Acmena smithii) is a summer-flowering, winter-fruiting evergreen tree, belonging to the myrtle family Myrtaceae. It shares the common name "lilly pilly" with several other plants, however in New Zealand, it is commonly known as 'monkey apple'. It is planted as shrubs or hedgerows, and features: rough, woody bark; cream and green smooth, waxy leaves; flushes of pink new growth; and white to maroon edible berries. Unpruned, it will grow about 3–5 m (10–15 ft) tall in the garden.