HSK

HSK may refer to:

• The Hanyu Shuiping Kaoshi (HSK), a standardized test of Mandarin Chinese
• Horrendous Space Kablooie, a Calvin and Hobbes reference to the Big Bang
• Helsingfors Skridskoklubb, a figure skating club in Finland
• Auxiliary cruiser or HSK, a German cruiser ship
• Hochsauerlandkreis's license plate code
• High Street Kensington (disambiguation)