Dayal Singh

Dayal Singh may refer to:

• Baba Dyal Singh (1783–1855), Sikh religious reformer
• Dyal Singh Majithia (1848–1898), Indian banker and activist, founder The Tribune and Punjab National Bank
• Dyal Singh College, Delhi
• Dyal Singh Trust Library
• Shiv Dayal Singh (1818–1878), founder and first spiritual leader of Radha Soami sect