Sardar Dyal Singh Majithia (1848–1898) was an Indian banker and activist in progressive and social reform measures in Punjab. He established The Tribune newspaper in Lahore in 1881, and later remained founder chairman of the Punjab National Bank, established in 1894. Dyal Singh trust also opened a school at village Mirjajan, Tehsil Batala, District Gurdaspur, Punjab and also donated many acres of land to the school,which is running successfully under the name of Dyal Singh Govt. Sen. Sec. School Mirjajan.