They are Kenya, Nigeria, Ghana and host nation Morocco.
Kenya is the latest African country to progress to the knockout stage after beating Samoa 4-0 in their final group game played on Sunday evening.
The outcome of the match means Kenya finished in third position in Group E with three points from three matches.
It also means that Kenya qualified for the Round of 16 stage as one of the best third-placed teams.
Kenya now joins Nigeria, Ghana and host Morocco in the knockout stage which will commence this week.
