鸡脚参属（学名：Orthosiphon）是唇形科下的一个属，为多年生草本或亚灌木植物。该属共有约45种，其中30种产自热带非洲，15种产自东南亚至澳大利亚。俗称猫须草。

Orthosiphon is a genus of plants in the Lamiaceae family native to Africa, Southern Asia and Queensland, with one species (O. americanus) in Colombia. It is an herbaceous shrub which grows to a height of 1.5 m (5 ft). Orthosiphon is a popular garden plant because of its unique flower, which is white and bluish with filaments resembling a cat's whiskers. In the wild, the plant can be seen growing in the forests and along roadsides.