HBW

HBW may refer to:


 * Brinell scale, measuring indentation hardness
 * Handbook of the Birds of the World 
 * Hawaiian baby woodrose (Argyreia nervosa), a perennial climbing vine with psychoactive seeds
 * H-B Woodlawn, a school in Arlington, Virginia, United States
 * HBW Balingen-Weilstetten, a German handball club
 * Hot bridgewire
 * Joshua Sanford Field, serving Hillsboro, Wisconsin, United States
 * Heartbreak Weather, the second studio album by  Niall Horan.