Trzcianka[3][4] [ˈtʂt͡ɕaŋka] is a village in the administrative district of Gmina Osiek, within Staszów County, Świętokrzyskie Voivodeship, in south-central Poland.

It lies approximately 5 kilometres (3 mi) south-west of Osiek, 20 km (12 mi) south-east of Staszów, and 72 km (45 mi) south-east of the regional capital Kielce.

[5] The village has a population of 217.

According to the 2002 Poland census, there were 212 people residing in Trzcianka village, of whom 54.2% were male and 45.8% were female.

In the village, the population was spread out, with 18.4% under the age of 18, 42.9% from 18 to 44, 21.2% from 45 to 64, and 17.5% who were 65 years of age or older.