In Europe:
* Belgium: French is one of the official languages alongside Dutch and German.
* Switzerland: French is one of the four official languages, alongside German, Italian, and Romansh.
* Luxembourg: French is an official language alongside Luxembourgish and German.
* Monaco: French is the only official language.
* Andorra: French is one of the official languages alongside Catalan and Spanish.
In Africa:
* Algeria: French is an official language alongside Arabic.
* Benin: French is the official language.
* Burkina Faso: French is the official language.
* Burundi: French is an official language alongside Kirundi.
* Cameroon: French is an official language alongside English.
* Central African Republic: French is the official language.
* Chad: French is the official language.
* Comoros: French is an official language alongside Arabic and Comorian.
* Côte d'Ivoire: French is the official language.
* Democratic Republic of the Congo: French is an official language alongside Swahili and Lingala.
* Djibouti: French is an official language alongside Arabic and Somali.
* Gabon: French is the official language.
* Guinea: French is the official language.
* Guinea-Bissau: French is an official language alongside Portuguese.
* Madagascar: French is an official language alongside Malagasy.
* Mali: French is the official language.
* Mauritania: French is an official language alongside Arabic.
* Niger: French is the official language.
* Republic of the Congo: French is the official language.
* Rwanda: French is an official language alongside Kinyarwanda and English.
* Senegal: French is the official language.
* Seychelles: French is an official language alongside English and Creole.
* Togo: French is the official language.
* Tunisia: French is an official language alongside Arabic.
In North America:
* Canada: French is one of the two official languages alongside English.
In the Caribbean:
* Haiti: French is the official language, though Haitian Creole is the most widely spoken language.
In Oceania:
* Vanuatu: French is an official language alongside English and Bislama.
In Asia:
* Lebanon: French is an official language alongside Arabic.
This is not an exhaustive list, as French is also spoken as a second or foreign language in many other countries around the world.