Hari Singh Dhillon (died 1765) was an 18th century Sikh warlord and the chief of Bhangi Misl.
[1] Under Hari Singh the Bhang Misl expanded to Jammu, Lahore, Chiniot, Buria, Jagadhari, Firozpur, Kushab, Majha, Malwa, Sandal Bar and Jhang.
[9] In 1760 Hari Singh joined a force of Sikh Misls that captured Lahore on Diwali 1760 and plundered the surrounding area.
[13][14] In 1762 Hari Singh conquered Kot Khwaja Saeed, near Lahore, capturing the Afghan Governor's ammunition and 3 cannons of his.
[2] Hari Singh then captured the surrounding area of Bahawalpur and then plundered and conquered Jammu leading a force of 12,000.
On his return to Gilwali he plundered Jhang, Sialkot, Chiniot and made the Jammu ruler, Ranjit Dev Jamwal, his tributary.