Farhād Khān (Persian: فرهاد خان, Bengali: ফরহাদ খাঁ), also known as Nizam-e-Zamanah (Bengali: নিজাম-ই-জমানা) or Nizam-e-Zaman (Persian: نظام زمان), was a Mughal military strategist who had many positions throughout his life. He was the most well-known Faujdar of Sylhet Sarkar, governing in the late 17th century during the reign of Mughal emperor Aurangzeb. He was renowned for the construction of numerous bridges and places of worship in the region.