English is the official language in the following countries, for the purposes of UL Lafayette's undergraduate international admissions standards:
- American Samoa
- Australia
- Bahamas
- Barbados
- Belize
- Canada (except Quebec)
- Dominica
- Grenada
- Grand Cayman
- Guyana
- Ireland
- Jamaica
- Liberia
- New Zealand
- Sierra Leone
- Trinidad/Tobago
- Turks and Caicos Islands
- United Kingdom
- U.S. Pacific Trust