SJK

SJK may refer to:

• Kemi Sámi (ISO 639-3 code)
• São José dos Campos Regional Airport (IATA airport code) in Brazil
• Seinäjoen Jalkapallokerho, association football club from Seinäjoki, Finland
• San Juan Knights, a professional basketball team from San Juan, Philippines
• Shinjuku Station, JR East station code
• St. John's-Kilmarnock School, Breslau, Ontario, Canada

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