Last name Niardo (Niardo 
) , around the globe, is a very rare surname. The cognomen Niardo is habitual in South-eastern Asia, particularly Indonesia, where it is a very rare surname. Very seldom, Niardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niardo | Brazil, Indonesia, Philippines |
|
obizio da niardo Benedictine saint, IT (b. 1150) |
|