兰屿罗汉松（达悟语：Pazopo）（学名：Podocarpus costalis），为**仅有之罗汉松科植物。

兰屿罗汉松产于**台东县兰屿乡断崖壁上及近海石灰岩上，以及菲律宾北方近兰屿的巴丹岛一带。兰屿罗汉松主要分布于海拔0－300米。

Podocarpus costalis, locally known as Arius, is a species of conifer in the family Podocarpaceae. It is native to the Philippines and ******.

This plant is a shrublike tree which grows in island scrub, low forest, and bluff habitat. It is also widely cultivated as a garden plant. It is used in bonsai. The fruit is edible.