HSK

HSK can refer to:

• The Horrendous Space Kablooie, from the comic strip Calvin and Hobbes
• The HSK Test ("Hànyǔ Shuǐpíng Kǎoshì", or "Chinese language proficiency test"), a standardized test of Standard Mandarin Chinese for international non-native language learners organized and administered in China
• the district Hochsauerlandkreis, Germany
• Hilfskreuzer or Handels-Stör-Kreuzer, a German term for Auxiliary cruiser