Family name มณีวัฒน์ (มณีวัฒน์ 
, Maneewat 
, Maniwat ) , all around the world, is a rare cognomen. The cognomen มณีวัฒน์ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, มณีวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มณีวัฒน์, Maniwat | Thailand |
| Maneewat | United States, Thailand |