Fraustadt, a town of Prussia, in the province of Posen, 7 m. from the frontier of Silesia, and 14 N. E. of Glogau; pop. in 1871, 6,515. It has a convent, an orphan house, a Realschule of the first class, and manufactures chiefly of woollen and linen cloth. In 1706 the Swedes, under Charles XII.'s general Rehnskjold, obtained here a victory over the united Saxons and Russians.