红丝线属（学名：Lycianthes）是茄科下的一个属，为灌木或亚灌木植物，少数为草本植物。该属共有约180种，分布于中南美洲。

Lycianthes is a genus of plants from the nightshade family (Solanaceae), found in both the Old World and the New World, but predominantly in the latter. It contains roughly 150 species, mostly from tropical America, with 35-40 species in Asia and the Pacific.