Marcu is a Romanian-language surname and male given name that may refer to:
- Dănuț Marcu
- Duiliu Marcu
- Gavorielle Marcu
- Valeriu Marcu
- Marcu Beza
- Petre Pandrea, born Petre Ion Marcu
Marcu is a Romanian-language surname and male given name that may refer to: