The National Unionist Party was a political party based in the Punjab Province during the period of British rule in India. The Unionist Party mainly represented the interests of the landed gentry and landlords of Punjab, which included Muslims, Hindus and Sikhs. The Unionists dominated the political scene in Punjab from World War I to the independence of India and Pakistan (and the partition of the province) in 1947. The party's leaders served as Prime Minister of the Punjab.