Cognomen Одум (Odum 
, Одум 
) , around the globe, is a common last name. The surname Одум is habitual in Sub-Saharan Africa, particularly Ghana, where it is quite a common surname, Nigeria, where it is quite a rare surname, and Sierra Leone. Not in comparison with a country's population, it is commonest in Nigeria, the United States, and Ghana. Very seldom, Одум is the forename as well as the last name.