* President: This is the most common title for the head of state in African countries.
* Prime Minister: This is the title used for the head of government in some parliamentary systems, where the president serves as the head of state.
* King: This title is used in some African countries where there is a monarchy, such as Morocco and Swaziland.
* Queen: This title is used in some African countries where there is a monarchy, such as Botswana and Lesotho.
* Emperor: This title is used in some African countries where there is an empire, such as Ethiopia.
* Sultan: This title is used in some African countries where there is a sultanate, such as Oman and Brunei.
* Emir: This title is used in some African countries where there is an emirate, such as Qatar and Kuwait.
* Chief: This title is used in some African countries to refer to traditional leaders or tribal leaders.
It's important to note that these are just some of the most common titles that can be used to address African leaders. There may be other titles that are used in specific countries or regions of Africa.