H&K
# H&K

H&K can refer to:

* Heckler & Koch, a German weapons manufacturing company
* Hughes & Kettner, a German brand of guitar and bass amplifiers, cabinets and effects processors
* Harold & Kumar, a series of stoner comedies and its titular characters
   * Harold & Kumar Go to White Castle, a 2004 film
   * Harold & Kumar Escape from Guantanamo Bay, its sequel
* Hampstead and Kilburn, a UK parliament constituency
* The Calcium H and K lines, a pair of violet spectral lines
* "H-K (Hunter-Killer)", song by Fear Factory from the album Demanufacture, 1995
