Europe:
* Italy: Italian
* Spain: Spanish
* France: French
* Portugal: Portuguese
* Romania: Romanian
* Switzerland: French, Italian, Romansh (also spoken in parts of Italy)
* Belgium: French
* Monaco: French
* Andorra: Catalan (a Romance language)
* Luxembourg: French
* San Marino: Italian
Americas:
* Mexico: Spanish
* United States: Spanish
* Canada: French
* Cuba: Spanish
* Dominican Republic: Spanish
* Puerto Rico: Spanish
* Argentina: Spanish
* Colombia: Spanish
* Brazil: Portuguese
* Peru: Spanish
* Chile: Spanish
* Venezuela: Spanish
* Ecuador: Spanish
* Bolivia: Spanish
* Guatemala: Spanish
* Honduras: Spanish
* El Salvador: Spanish
* Nicaragua: Spanish
* Panama: Spanish
* Costa Rica: Spanish
* Haiti: Haitian Creole (based on French)
Africa:
* Equatorial Guinea: Spanish
* Morocco: Moroccan Arabic (influenced by Spanish)
* Algeria: Algerian Arabic (influenced by French)
* Tunisia: Tunisian Arabic (influenced by French)
* Cameroon: French
* Central African Republic: French
* Chad: French
* Congo, Democratic Republic of the: French
* Congo, Republic of the: French
* Gabon: French
* Guinea: French
* Ivory Coast: French
* Mali: French
* Mauritania: Arabic (influenced by French)
* Niger: French
* Senegal: French
* Togo: French
* Benin: French
* Burkina Faso: French
* Madagascar: French
* Djibouti: French
* Rwanda: French (although Kinyarwanda is the main language)
* Burundi: French (although Kirundi is the main language)
This is not an exhaustive list, as Romance languages are also spoken in some smaller countries and territories.
It's important to note that while these countries have Romance languages as official languages, there may be other languages spoken within them as well.