Mountain Dwarf Snake
Collorhabdium williamsoni
- Least concern
- Card rarity: Common
- Reptiles

Collorhabdium is a genus of snake in the family Colubridae. The genus contains the sole species Collorhabdium williamsoni. It is commonly known as the mountain dwarf snake and Williamson's reed snake. It is endemic to Malaysia.
Classification
- Class
- Reptilia
- Order
- Squamata
- Family
- Colubridae
- Genus
- Collorhabdium