山檨子（学名：Buchanania arborescens）为漆树科山檨子属的植物。分布于菲律宾、印度、印度尼西亚、台湾岛、中南半岛等地，多生长于海岸边，目前尚未由人工引种栽培。

Buchanania arborescens, Little gooseberry tree, is a small slender tree native to monsoon forests of northern Australia, south-east Asia, and the Solomon Islands.

The leaves are spirally arranged, smooth, leathery, elongated oblong, 5–26 cm long. The flowers are very small cream to yellowish white. The edible fruit are globular, small (1 cm long), reddish to purple-black. These are eaten by Torresian imperial pigeons and other birds.