Roger Tangri (born in Glasgow, Scotland in 1941) is a British as well as United States citizen. He is a political scientist and Africanist with an expertise in the politics of Ghana and Uganda. Tangri has previously taught at the University of Botswana, the , the US Foreign Service Institute, the University of Maryland, College Park, the School of International Service at the American University, , the National University of Lesotho, the University of Ghana, the American University in Cairo, the University of Malawi, the University of Zambia, the University of Sierra Leone, the University of Manchester, England, and the University of Nairobi.