Topolina [tɔpɔˈlina] is a village in the administrative district of Gmina Wieliszew, within Legionowo County, Masovian Voivodeship, in east-central Poland. It lies approximately 8 kilometres (5 mi) north-west of Wieliszew, 10 km (6 mi) north of Legionowo, and 31 km (19 mi) north of Warsaw.

It is named after the poplar tree (topola in Polish) of which there are a great many in the area.