Hiru may refer to:

• Mount Hiru, mountain in Japan
• Hiru FM, Sri Lankan radio station
• Hiru, Hormozgan, a village in Iran
• Hiru, Lorestan, a village in Iran

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• Mosman
• M Osman Ali
• Mosman Bay ferry services
• Mosman Bay ferry services (numbered F6)
• Mosman Bay Sewage Aqueduct
• M Osman Ghani
• Mosman Park, Queensland
• Mosman state by-election, 1972
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