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

It lies approximately 3 kilometres (2 mi) south of Osiek, 20 km (12 mi) east of Staszów, and 72 km (45 mi) south-east of the regional capital Kielce.

[5] The village has a population of 4.

According to the 2002 Poland census, there were 13 people residing in Mikołajów village, of whom 61.5% were male and 38.5% were female.

In the village, the population was spread out, with 7.6% from the age of 18 to 44, 46.2% from 45 to 64, and 46.2% who were 65 years of age or older.