Giant bamboo is a common name for several large species of bamboo and may refer to:
- Large species in the genus Bambusa include:
- Moso bamboo (Phyllostachys edulis) a commercial species used for timber, crafts and its edible shoots, found in Japan, Taiwan, and China.
- "Madagascar giant bamboo" (Cathariostachys madagascariensis), a bamboo species found in Madagascar
- species in the genus Dendrocalamus found from the Indian subcontinent throughout Southeast Asia
- species of the genus Gigantochloa found in tropical Southeast Asia
- species of the genus Guadua concentrated in the Amazon basin and the Orinoco basin