Family name Bahnu (Bahnu 
) , all around the world, is a rare last name. The last name Bahnu is habitual in Malaysia, where it is a rare surname, India, where it is an extremely rare surname, and the United Kingdom. Also, Bahnu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bahnu | United Kingdom, United States, Turkey, Malaysia, India |