Family name ชะนู (Chanu 
, ชะนู 
) , around the world, is a common surname. The last name ชะนู is habitual in France, where it is quite a rare surname, Kuwait, and Qatar, where it is a rare surname. Measured by absolute frequency, it is the most numerous in India, France, and Bangladesh. Likewise, ชะนู is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chanu | France, Sri Lanka, India, Bangladesh, South Korea |
| ชะนู | Thailand |