IDW

IDW may refer to:


 * IDW Publishing, a U.S. comic book publisher
 * Informationsdienst Wissenschaft, a German science news service
 * Institut der Wirtschaftsprüfer in Deutschland, a German non-profit organization serving public auditors
 * Intellectual dark web, a loosely-defined philosophical neologism coined by Eric Weinstein
 * Inverse distance weighting, a mathematical method for surface fitting
 * Investigative Data Warehouse, an FBI surveillance database