W34

W34 or W.34 may refer to:
 * W34 (nuclear warhead), an American nuclear bomb
 * Great triambic icosahedron
 * Hansa-Brandenburg W.34, a German prototype floatplane
 * Junkers W 34, a German transport aircraft
 * Pinikura language
 * Pippu Station, in Hokkaido, Japan
 * Shiocton Airport, in Wisconsin, United States