W19

W19 may refer to:
 * W19 (nuclear artillery shell)
 * British NVC community W19, a woodland community in the British National Vegetation Classification system
 * Hansa-Brandenburg W.19, a German fighter-reconnaissance aircraft
 * Stellated octahedron
 * Verona Airport (Wisconsin)
 * W-19-class minesweeper, of the Imperial Japanese Navy
 * Yinggarda language