Modrzewko (Polish: [mɔdˈʐɛfkɔ]; German: Louisenhof) is a settlement in the administrative district of Gmina Stare Czarnowo, within Gryfino County, West Pomeranian Voivodeship, in north-western Poland. It lies approximately 8 kilometres (5 mi) west of Stare Czarnowo, 14 km (9 mi) north-east of Gryfino, and 14 km (9 mi) south-east of the regional capital Szczecin.

For the history of the region, see History of Pomerania.