Unsurprisingly, this is a list of missing people who are originally from Africa. (A list of African countries can be found here.)
Just Africa, not sure where
Mohama Samsoudini Baba
Muna Mahamud Haji
As you can see, this is a pretty short list. The Charley Project features far more cases of people believed to be be IN Africa. Perhaps that is a list for another time.