Darfur region in western Sudan has witnessed a civil war since (2003). The ongoing war has resulted in a mass destruction of some vital institutions such as the poor healthcare system, the lenient infrastructure and education. As an attempt to bring stability and peace to the region, Sudan government and some rebel groups signed a peace deal in Doha, Qatar in (2006) known as “Doha Peace Agreement”. In one of its articles Doha Peace Agreement declares a referendum to be organize in Darfur. Through the declared referendum, Darfurains have to decide the status of the current five states (North, South, West, East and Central Darfur), whether to remain as they are today or to return back to the previous one region system. In terms of linguistic diversity, Darfur is one of the richest regions in Sudan. This linguistic diversity may negatively have harmed by the upcoming referendum process, particularly, if the voters make the dream of the five regions comes true. Therefore, the current study is attempting to investigate the probable disadvantages of the referendum on the overall linguistic diversity in Darfur. To undertake this study, the researchers have designed and conducted an interview based on (10) questions. The interview questions were distributed to three experts with a good awareness of the linguistics density and diversity of the region. The interview questions then analyzed manually and the results have statistically calculated. The study resulted in some important findings among which is that, the one state choice will enrich and protect the linguistic diversity and will make peace possible to this high conflict zone.