Gwoździak [ˈɡvɔʑd͡ʑak] is a settlement in the administrative district of Gmina Tyszowce, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland. It lies approximately 5 kilometres (3 mi) north of Tyszowce, 30 km (19 mi) north-east of Tomaszów Lubelski, and 103 km (64 mi) south-east of the regional capital Lublin.