Jagat Singh (1884–1951) was an Indian spiritual leader and the head of Radha Soami Satsang Beas.

Jagat Singh was born on 27 July 1884 into a family of prosperous and religious Jat Sikh farmers,[2] in the small village of Nussi in the Jalandhar District of the Punjab, India.

[3] He joined the Punjab Agricultural College, Lyallpur, in 1911 as Assistant Professor of Chemistry and retired as Vice Principal of the institution in 1943 receiving the title Sardar Bahadur for his thirty-two years of meritorious service.

[4][5] In Abbottabad on 28 December 1910 at the age of twenty-six, he was initiated into the meditation practice of Surat Shabd Yoga (also known as Nam Bhakti) by Sawan Singh.

He had gone there with his cousin Sardar Bhagat Singh Kaler and the Judge Rai Sahib Munshi Ram to hear his future guru, who was still in service there, deliver satsang.