Family name Mitsunao (Mitsunao 
) , around the world, is a very rare surname. The cognomen Mitsunao is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. Predominantly, Mitsunao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mitsunao | Japan, China, Brazil, United States |