Guru Har Krishan 23 July 1656 – 30 March 1664) was the eighth of the ten Sikh Gurus. At the age of 5, he became the youngest Guru in Sikhism on 7 October 1661, succeeding his father, Guru Har Rai.
He is also known as Bal Guru.
Har Krishan was born in Kiratpur Sahib, Rupnagar, Punjab, India to Guru Har Rai and Kishan dei (Mata Sulakhni).