Cognomen Ratthé (Ratthé 
) , worldwide, is a very rare family name. The last name Ratthé is characteristic of New Zealand, where it is a rare surname, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ratthé | New Zealand, Canada |
|
daniel ratthé Canadian politician, CA (b. 1956) |
|