Last name Clementinus (Clementinus 
) , across the world, is an extremely rare surname. The surname Clementinus is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. Very seldom, Clementinus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Clementinus | Brazil, Malaysia |
| flavius taurus clementinus armonius clementinus politician (b. 450) |
|
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| daniel clementinus Calvinist pastor, PL |
|