Calamaria bicolor

{{Short description|Species of snake}}

{{speciesbox

| image = Calamaria bicolor in Indonesia 249516992.jpg

| image_caption =

| status = LC

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=Iskandar, D. |author2=Jenkins, H. |author3=Das, I. |author4=Auliya, M. |author5=Inger, R.F. |author6=Lilley, R. |date=2012 |title=Calamaria bicolor |volume=2012 |page=e.T192119A2042548 |doi=10.2305/IUCN.UK.2012-1.RLTS.T192119A2042548.en |access-date=11 November 2021}}

| genus = Calamaria

| species = bicolor

| authority = Duméril, Bibron & Duméril, 1854

| range_map = Calamaria_bicolor_distribution.png

}}

Calamaria bicolor is a species of snake of the family Colubridae. Its vernacular names are two-colored dwarf snake and bicoloured reed snake.