Surname Khannoo (Khannoo 
) , across the world, is a very rare last name. The family name Khannoo is habitual in Thailand, where it is a very rare surname, the United States, where it is an extremely rare surname, and India. More prevalently, Khannoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khannoo | United States, Thailand, India |