The west African nation’s soccer federation was also fined 100,000 Swiss francs ($102,000).
In a previous related case, FIFA banned Equatorial Guinea’s women from the 2020 Olympic qualifying program. That decision related to a Brazil-born player.
Further FIFA investigations revealed 10 more ineligible players picked for 2016 Olympic qualifying games.
Equatorial Guinea officials had also appealed against a ban by the Confederation of African Football from the 2018 Women’s African Cup of Nations — the qualifying tournament for the 2019 World Cup in France.