Fredericksburg may refer to:

Places United States Fredericksburg, California Fredericksburg, Indiana Fredericksburg, Iowa Fredericksburg, Missouri Fredericksburg, Ohio, a village in Wayne County Fredericksburg, Mahoning County, Ohio, an unincorporated community Fredericksburg, Pennsylvania (disambiguation), various places Fredericksburg, Texas Fredericksburg, Virginia, a historic city in northern Virginia and the most-populous place with this name Battle of Fredericksburg, a major battle of the American Civil War which took place there Second Battle of Fredericksburg, another battle of the American Civil War that took place there

Canada Fredericksburg, Ontario, the former name for Delhi, Ontario

Ships , several ships CSS Fredericksburg, an ironclad of the Confederate States Navy during the American Civil War

See also Frederiksberg, Denmark