Cognomen Hoihnu (Hoihnu 
) , in the world, is a very rare surname. The cognomen Hoihnu is habitual in Myanmar, where it is a rare surname, and India, where it is an extremely rare surname. More prevalently, Hoihnu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hoihnu | Myanmar, India |