猴耳环属（学名：Pithecellobium）是含羞草科下的一个属，为灌木或乔木植物。该属共有约100种，分布于热带亚洲和美洲。

Pithecellobium is a genus of flowering plants in the legume family, Fabaceae. The generic name is derived from the Greek words πιθηκος (pithekos), meaning "ape" or "monkey," and ελλοβιον (ellobion), meaning "earring," which refers to the coiled shape of the fruit pods. Plants of the genus are known generally as blackbeads.