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Surname Manthei (Manthei
, Мантей
, マンセイ
) , across the world, is quite a rare family name. The surname Manthei is characteristic of Germany, where it is quite a rare surname, the United States, where it is a rare surname, and New Zealand, where it is a very rare surname. In absolute terms, it is commonest in the United States, Germany, and Brazil. Much less frequently, Manthei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Manthei | Brazil, Poland, India, United States, Germany |
| Мантей | Ukraine |
| マンセイ | Japan |