Banda Singh Bahadur (born Lachman Dev) (27 October 1670 – 9 June 1716), was a Sikh warrior and a commander of the Khalsa army. At age 15, he left home to become an ascetic, and was given the name Madho Das Bairagi. He established a monastery at Nānded, on the bank of the river Godāvarī. In 1707, Guru Gobind Singh accepted an invitation to meet Bahadur Shah I in southern India, he visited Banda Singh Bahadur in 1708. Banda became disciple of Guru Gobind Singh and was given a new name, Gurbaksh Singh (as written in Mahan Kosh), after the baptism ceremony. He is popularly known as Banda Singh Bahadur. He was given five arrows by the Guru as a blessing for the battles ahead. He came to Khanda, Sonipat and assembled a fighting force and led the struggle against the Mughal Empire.

His first major action was the sacking of the Mughal provincial capital, Samana, in November 1709. After establishing his authority and Sikh Misl in Punjab, Banda Singh Bahadur abolished the zamindari system, and granted property rights to the tillers of the land. Banda Singh was captured by the Mughals and tortured to death in 1715–1716.