Family name Ludasi (Ludasi 
) , across the world, is a rare surname. The cognomen Ludasi is characteristic of Hungary, where it is a rare surname, Tanzania, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in Hungary, Tanzania, and the United States. Very seldom, Ludasi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ludasi | Hungary, Tanzania, Canada, United States, India |