Jerzmanki [jɛʐˈmanki] is a village in the administrative district of Gmina Zgorzelec, within Zgorzelec County, Lower Silesian Voivodeship, in south-western Poland, close to the German border.

It lies approximately 5 kilometres (3 mi) south-east of Zgorzelec, and 139 kilometres (86 mi) west of the regional capital Wrocław.