Last name Loucký (Loucký 
) , all around the world, is a very rare cognomen. The last name Loucký is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Loucký | Czechia |
| robert loucký CZ (b. 1895) |
|
|
| františek loucký CZ (b. 1912) |
|
|
| milan loucký CZ (b. 1961) |
|