Cognomen Erario (Erario 
) , around the world, is quite a rare family name. The surname Erario is habitual in Italy, where it is quite a rare surname, Argentina, where it is a rare surname, and France, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Italy, the United States, and Argentina. Very seldom, Erario is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erario | Germany, France, Argentina, Italy, United States |
Al, Luli, Jose, John, Jean, Juan, Tony, Toni, Nora, Elsa, Elba, Enzo, Enza, Emma, Ivan, Maria, Mario, Marco, Mauro, Mirta, Mimmo, Mimma, Luis, Steve, Luca, Gaia, Ana, Amy, Ray, Gil, Leo, Jon, Joe, Eva, Mery, Sara, Sean, Alan, Aldo, Anna, Ciro, Raul, Raã, Rosa, Rich, Rita, Gary, Lori, and Stacy