Ghazi Saiyyed Salar Sahu or Ghazi Saiyed Salar Dawood or Sahu Bin Ataullah Alavi or Salar Sahu (Persian: غازى سيد سالار ساھو) was commander in the army of Sultan Mahmud Ghaznavi who came to the South Asia in the early 11th century.
Salar Sahu was a descendant of Muhammad ibn al-Hanafiyyah, son of Hazrat Ali. His father's name was Tahir Ataullah and was father of renowned general Ghazi Saiyyad Salar Masud. He was probably a brother in law of Sultan Mahmud Ghaznavi and was married to his perperated sister Sitr-i-Mu'alla. He came to India along with Sultan Mahmud Ghaznavi as his army commander.
He died nearly 1000 years ago in Satrikh and is buried there.
The mausoleum of Salar Sahu is situated in Satrikh also known as Sulaimanabad, 8 kilometres (5.0 mi) away from Barabanki, in Uttar Pradesh. At his grave the people gather to pilgrimage during the full moon of the Hindu month of Jyeshta during the summer. There is a five-day-long urs during which thousands of devotees pray. His tomb is known as "Budhe Baba ki mazar" (Grand Master's Mausoleum).