Sinak or Senak (Persian: سينك) may refer to:

Iran

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  • Sinak, Markazi, a village in Taraznahid Rural District, in the Central District of Saveh County, Markazi Province, Iran
  • Sinak, Qazvin, a village in Afshariyeh Rural District, Khorramdasht District, Takestan County, Qazvin Province, Iran
  • Sinak, Tehran, a village in Lavasan-e Kuchak Rural District, Lavasanat District, Shemiranat County, Tehran Province, Iran