Luchu may refer to:
Luchu Islands, a synonym of the Ryukyu Islands, an island chain under the administration of the Japanese government Luchu language, indigenous languages of the Ryukyu Islands Luchu Pine (Pinus luchuensis), a species of conifer in the family Pinaceae Luchu, an English name for the Ryukyu Kingdom
See also Luzhu District, Taoyuan, northwestern Taiwan