九里香属（学名：Murraya）又名月橘属，是芸香科辖下的一个属，该属植物通称为月橘。通常为常绿性小灌木或小乔木。生育地为海拔1200公尺以下地区之山区阔叶林，株高2-7m。

Murraya is a genus of flowering plants in the citrus family, Rutaceae. It is distributed in Asia, Australia, and the Pacific Islands. The center of diversity is in southern China and Southeast Asia. The genus name commemorates the 18th-century German-Swedish herbal doctor Johan Andreas Murray, a student of Linnaeus.