Family name Nikopensius (Nikopensius 
) , all over the world, is a very rare surname. The cognomen Nikopensius is habitual in Northern Europe, particularly Estonia, where it is quite a rare surname, and Finland, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Nikopensius | Estonia, Finland |
| toivo nikopensius Estonian singer, EE (b. 1946) |
|
|
| tiit nikopensius Estonian biologist and geneticist, EE (b. 1963) |
|