Surname Phaiju (Phaiju 
) , in all the world, is a rare last name. The cognomen Phaiju is habitual in Nepal, where it is quite a rare surname, Australia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is the most numerous in Nepal, India, and Australia. Also, Phaiju is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phaiju | Nepal, United Kingdom, United States, India, Australia |