Surname Slech (Slech 
) , all around the world, is an extremely rare cognomen. The family name Slech is habitual in Latin America and the Caribbean, particularly Argentina, where it is a very rare surname. Much more prevalently, Slech is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Slech | Argentina, South Africa, Democratic Republic of the Congo, United States |
| wenceslaus slech Czech army lieutenant & Dachau Concentration Camp prisoner, CZ (b. 1918) |
|