耳草属（学名：Hedyotis）是茜草科下的一个属，为草本或亚灌木或灌木植物。该属共有约420种，分布于热带和亚热带地区。

Hedyotis (starviolet) is a genus of flowering plants in the family Rubiaceae. Many species of this genus such as Hedyotis biflora, H. corymbosa and H. diffusa are well known medicinal plants. The hedyotis is native to tropical and subtropical Asia and to islands of the northwest Pacific. It comprises about 115 species. The type species for the genus is Hedyotis fruticosa.