CARLSHAMN, or Karlshaven, a small seaport town of Sweden, in the laen of Carlskrona, on the Baltic, 27 miles west of Carlskrona. It has manufactures of sailcloth, leather, and tobacco. The harbour is small but secure, and by means of it a considerable trade is carried on in corn, ironware, timber, pitch, tar, and potash. Shipbuilding and fisheries are also prosecuted. Population in 1873, 5492.