Throughout the world, Marecek (Marecek 
, Mareček 
) is a very rare boy's first name. The first name Marecek is characteristic of Eastern Europe, particularly Czechia, where it is a rare boy's name. Predominantly, Marecek is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Marecek | United States, Germany, Czechia, Slovakia, Austria |
| Mareček | United States, Czechia, Croatia, Slovakia |