Ekostrovsky (masculine), Ekostrovskaya (feminine), or Ekostrovskoye (neuter) may refer to:
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Ekostrovskoye Rural Community (1861–1866), a rural community of Kemsky Uyezd of Arkhangelsk Governorate, Russian Empire
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Ekostrovskaya Volost (1866–1868), a volost of Kemsky Uyezd of Arkhangelsk Governorate, Russian Empire
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