佛肚竹（学名：Bambusa ventricosa），又名结头竹、佛竹、葫芦竹，为禾本科簕竹属下的一个种。分布于中国广东省。

本种常作盆栽观赏。

Bambusa ventricosa is a species of bamboo which is native to Vietnam and to Guangdong province in southern China. The species is widely cultivated in subtropical regions around the world for the bulbous and ornamental culms. The species is used in bonsai.