Allied and Allied supporters
- Australia
- Brazil
- Canada
- Newfoundland
- New Zealand
- South Africa
- Soviet Union (from June 1941)
- United Kingdom
- United States (from December 1941)
- Argentina
- Bolivia
- Chile
- Colombia
- Costa Rica
- Cuba
- Dominican Republic
- Ecuador
- Egypt(2)
- El Salvador
- Guatemala
- Haiti
- Honduras
- Iraq
- Lebanon
- Liberia
- Mexico
- Mongolia
- Nicaragua
- Panama
- Paraguay
- Peru
- Saudi Arabia
- Turkey
- Uruguay
- Venezuela
Axis and Axis supporters
- Germany
- Italy
- Japan
- Bulgaria
- Hungary
- Romania
- Slovakia