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The Caribbean Alliance was a political entity on Earth located in the Caribbean Sea, and composed of former island nations and territories in that region.

Doctor Aristide, Chief Medical Officer of the USS Enterprise-C in 2344, was a native of the Caribbean Alliance. (TOS novel: Vulcan's Heart)

Though not stated explicitly, information about Aristide and his background suggest that Haiti was a member nation of this alliance.

Earth states, organizations and geographical regions
Planetary State	United Earth	International organizations	United Nations • New United Nations
Africa	Pan-African Alliance	African Confederation (Somalia) • Egypt • Madagascar • Mali • Senegal • South Africa • United States of Africa (Kenya)
Asia	Eastern Coalition	China • India • Japan • Kazakhstan • Korea • Malaysia • Mughal Empire • Pakistan • Russia • Soviet Union • Singapore • Thailand • Tibet
Europe	European Alliance • European Hegemony • European Union • Mediterranean Alliance	Belgium • Czechoslovakia • Denmark • France • German Democratic Republic • Germany • Gibraltar • Greece • Hungary • Iceland • Ireland • Italy • Netherlands • Norway • Poland • Portugal • Roman Empire • Serbia • Soviet Union • Spain • Switzerland • Turkey • Ukraine • United Kingdom (England, Scotland, Wales) • Yugoslavia
Middle East	Muslim Bloc	Arabia • Iran • Iraq • Israel • Lebanon • Turkey
North America	Caribbean Alliance	Canada • Confederate States of America • Cuba • Jamaica • Mexico • Panama • Puerto Rico • Tobago • Trinidad • United States of America
Oceania and Antarctica	Australia • Easter Island • Indonesia • New Zealand • Norfolk Island • Pitcairn • Solomon Islands
South America	Brazil • Chile • Venezuela