Dahlgren

Dahlgren may refer to:

• Dahlgren, Illinois
• Dahlgren, Virginia
  • Naval Surface Warfare Center Dahlgren Division
• Dahlgren Township, Carver County, Minnesota
• Dahlgren Township, Hamilton County, Illinois
• Dahlgrens Corner, Virginia
• Dahlgren Chapel (Maryland)
• Dahlgren Chapel of the Sacred Heart, at Georgetown University
• Dahlgren Hall at the U.S. Naval Academy in Annapolis, Maryland
• Dahlgren Railroad Heritage Trail in King George County, Virginia
• Lake Dahlgren, small lake situated southeast of Noble, Oklahoma
• Dahlgren River, river of Minnesota

• Dahlgren (surname), a Swedish surname
• Dahlgren gun, type of smooth bore cannon designed by the Admiral and used by the U.S. Navy
• Dahlgren Affair, failed mission to assassinate leaders of the Confederacy
• Dahlgren system and dahlgrenogram, created by Swedish-Danish botanist Rolf M. T. Dahlgren (1932–1987)
• USS Dahlgren (TB-9), Torpedo Boat No. 9/TB-9/Coast Torpedo Boat No. 4
• 6945 Dahlgren (1980 FZ3), Main-belt Asteroid discovered on March 16, 1980 by Lagerkvist, C.-I. at La Silla
• Dahlgren Chapel (disambiguation)
• Dahlgren (fireboat), operated in Annapolis, Maryland, built by MetalCraft Marine

• Dhalgren, a science fiction novel by Samuel R. Delany