Last name Chowdbury (Chowdbury 
) , across the world, is a very rare surname. The surname Chowdbury is characteristic of New Zealand, where it is a very rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Measured by absolute frequency, it is the most numerous in the United States, India, and New Zealand. Much less frequently, Chowdbury is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chowdbury | India, United States, New Zealand, United Kingdom |