HKO

(redirected from Heckler and Koch Oberndorf)
AcronymDefinition
HKOHong Kong Observatory
HKOHello Kitty Online (online game; Sanrio, Inc.)
HKOHong Kong Office
HKOHrvatski Kvalifikacijski Okvir (Croatian: Croation Qualifying Framework; educational initiative)
HKOHeat Killed Organism
HKOHeckler and Koch Oberndorf