Conrad Wießner (also Conrad Wiessner, Konrad Wieszner, 1796 in Nuremberg - 1865 in Wallhalben, Bavaria) was a German painter, draughtsman, etcher, steel engraver and lithographer.
Karlštejn. "Karlstein". Pův. oceloryt. Podle C. Würbse ryl C. Wiessner. Vyd. Gotlieb Haase Söhne v Praze, ca. 1840. 10,5:16 cm.