Helenów [xɛˈlɛnuf] is a village in the administrative district of Gmina Wodynie, within Siedlce County, Masovian Voivodeship, in east-central Poland. It lies approximately 7 kilometres (4 mi) east of Wodynie, 21 km (13 mi) south-west of Siedlce, and 76 km (47 mi) east of Warsaw.