Powder Magazine, Powder House, or Powderworks may refer to:
Powder tower or powder house, a building used to store gunpowder or explosives; common until the 20th century Gunpowder magazine, a building designed to store gunpowder in wooden barrels; historical successor to the above Magazine (artillery), an item or place within which ammunition or other explosive material is stored
Structures in the United States Alphabetical by state or territory, then by town or city Powder Magazine (Montgomery, Alabama), on the National Register of Historic Places (NRHP) listings in Montgomery County, Alabama Powder Magazine (Blue Ball, Arkansas), NRHP-listed Powder Magazine (Camp Drum), Los Angeles, California Sanchez Powder House Site, St. Augustine, Florida, NRHP-listed Confederate Powderworks, Augusta, Georgia Camp Parapet Powder Magazine, Metairie, Louisiana, NRHP-listed Powder House Square, a neighborhood and landmark rotary in Somerville, Massachusetts Powder House Park, Somerville, Massachusetts, NRHP-listed Powder House Island, an artificial island in the Detroit River, Michigan Hessian Powder Magazine, Carlisle, Pennsylvania, NRHP-listed Logans Ferry Powder Works Historic District, Plum Borough, Pennsylvania, NRHP-listed Polvorín de Miraflores, San Juan, Puerto Rico, NRHP-listed Fort Johnson (South Carolina) Powder Magazine, NRHP-listed Powder Magazine (Charleston, South Carolina), a U.S. National Historic Landmark and NRHP-listed Jefferson Ordnance Magazine, Jefferson, Texas, NRHP-listed Civilian Conservation Corps Powder Magazine, Torrey, Utah, NRHP-listed
Other uses "Powderworks" (song), by Midnight Oil, 1978 Powder Magazine (skiing), a snow-skiing magazine for which John Bresee was a writer and managing editor