Strelka may refer to:

• Strelka, a Soviet space dog
• Strelka, the easternmost tip of Vasilyevsky Island in St. Petersburg, Russia
• Strelka (Nizhny Novgorod Metro), a metro station in Nizhny Novgorod, Russia
• Strelka, a small cape at the confluence of the Volga and Kotorosl Rivers in Yaroslavl, Russia
• Strelka (chess engine), one of the strongest single processor chess engines
• Strelka (inhabited locality), several inhabited localities in Russia

• 39th Fighter Squadron
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• 39th (Garhwal Rifles) Bengal Infantry
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• 39th Indian Infantry Division
• 39th Infantry
• 39th Infantry Brigade (Separate)
• 39th Infantry Division
• 39th Infantry Division (British India)
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• 39th Information Operations Squadron
• 39th Information Operations Squadron (United States)