Surname Slätt (Slätt 
) , in all the world, is a very rare family name. The cognomen Slätt is habitual in Northern Europe, particularly Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slätt | Sweden |
| richard slätt Swedish journalist, SE (b. 1977) |
|
|
| andreas slätt SE (b. 1972) |
|