The alphamegalog of the countries of Africa lists the largest country in Africa for each letter of the alphabet. In this case, ‘largest’ is based on the country‘s population.

Algeria
Burkina Faso
Congo (DR)
Djibouti
Ethiopia
(no F)
Ghana
(no H)
Ivory Coast
(no J)
Kenya
Libya
Morocco
Nigeria
(no O)
(no P)
(no Q)
Rwanda
South Africa
Tanzania
Uganda
(no V)
Western Sahara
(no X)
(no Y)
Zambia