山姜属（学名：Alpinia）是姜科下的一个属，为草本植物。该属共有约250种，分布于亚洲热带地区。

Alpinia is a genus of flowering plants in the ginger family, Zingiberaceae. It is named for Prospero Alpini, a 17th-century Italian botanist who specialized in exotic plants. Species are native to Asia, Australia, and the Pacific Islands, where they occur in tropical and subtropical climates. Several species are cultivated as ornamental plants. Species of the genus are known generally as ginger-lilies.