Visa policy of Sudan
Citizens of the following 6 countries can visit Sudan without a visa:
Holders of diplomatic or official/service/special passports issued to nationals of Algeria (2 months), Benin, Brazil, Burkina Faso, Central African Republic, Chad, Congo, Djibouti, Egypt, Eritrea, Ethiopia, Gambia, Guinea, Iran, Libya, Mali, Morocco, Niger, Nigeria, Senegal, Togo, Tunisia, Vietnam do not require a visa for Sudan.
Nationals of Saudi Arabia do not require a visa for business visits.
Visa on arrival
Citizens of the following 4 countries can obtain a visa for Sudan on arrival:
1 - provided arriving directly from the country of citizenship.
Persons with a Sudanese father can obtain visa on arrival regardless of their current nationality.