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 | Germany, Czechia, Austria, United States, Slovakia |
| Mareček | Croatia, United States, Czechia, Slovakia |