朱蕉（学名：Cordyline fruticosa）为百合科朱蕉属下的一个种，又名红叶铁树。

根、叶、花可入药，味淡、性平，可凉血止血、散瘀止痛。

Cordyline fruticosa is an evergreen flowering plant in the Asparagus family, Asparagaceae, known by a wide variety of common names, including cabbage palm, good luck plant, palm lily, ti plant, Kī, Lā‘ī (Hawaiian), Tī Pore (Māori), Sī (Tongan), Lauti (Samoan), and ʻAutī (Tahitian).