Marżynek
{{Infobox settlement
| name = Marżynek
| settlement_type = Village
| total_type =
| subdivision_type = Country
| subdivision_name = {{POL}}
| subdivision_type1 = Voivodeship
| subdivision_name1 = Łódź
| subdivision_type2 = County
| subdivision_name2 = Zduńska Wola
| subdivision_type3 = Gmina
| subdivision_name3 = Zapolice
| coordinates = {{coord|51|33|56|N|18|56|8|E|region:PL|display=title,inline}}
| pushpin_map = Poland
| pushpin_label_position = bottom
| population_total = 130
}}
Marżynek {{IPAc-pl|m|a|r|'|ż|y|n|e|k}} is a village in the administrative district of Gmina Zapolice, within Zduńska Wola County, Łódź Voivodeship, central Poland, approximately {{convert|5|km|mi|0}} northeast of Zapolice and southwest of Zduńska Wola, and {{convert|44|km|mi|0|abbr=on}} southwest of the regional capital Łódź.{{cite web |url=http://www.stat.gov.pl/broker/access/prefile/listPreFiles.jspa |title=Central Statistical Office (GUS) - TERYT (National Register of Territorial Land Apportionment Journal) |date=2008-06-01 |language=Polish}}