HB may refer to:
- HB (car), a 1920s automobile
- HB (cigarette), a German brand of cigarettes
- Hofbräuhaus, a brewery in Munich
- HB Ice Cream, an Irish brand
- HB (band), a Finnish symphonic metal musical group
- H-B Woodlawn, a secondary education program (from the combination of the Hoffman-Boston and Woodlawn programs) in Arlington, Virginia
- HB grading for a pencil
- "2HB", a song by Roxy Music
- Croatian Republic of Herzeg-Bosnia
Read more about HB: Abbreviations or Acronyms, People