Cognomen Maruishi (Maruishi 
) , throughout the world, is a very rare family name. The surname Maruishi is habitual in Brazil, where it is a very rare surname, Philippines, where it is an extremely rare surname, and the United States. Likewise, Maruishi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maruishi | Philippines, Brazil, United States, Japan, China |