Surname Fleiser (Fleiser 
) , all over the world, is a rare cognomen. The last name Fleiser is characteristic of Slovenia, where it is quite a rare surname, Estonia, where it is a rare surname, and South Africa, where it is a very rare surname. In absolute terms, it is commonest in South Africa, Slovenia, and Canada. Very seldom, Fleiser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Fleiser | Canada, Tanzania, South Africa, Slovenia, France |