All around the world, Василйев (Vasiliev 
, Vasilyev 
, Vasiljev 
) is a very rare epicene given name. The first name Василйев is characteristic of Romania, where it is a rare female name, Bulgaria, where it is a rare boy's name, and China, where it is an extremely rare masculine name. Predominantly, Василйев is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Vasiliev | Russia, Romania, Israel, Moldova, United States |
| Vasilyev | Russia, Israel, Moldova, Lithuania, United States |
| Vasiljev | Russia, Serbia, Lithuania, United States, Latvia |
| Василйев | Russia |