Only 2 continents have ever won: Europe and South America.
None from North America, Africa, Asia or even Russia and Australia.

In fact, only 6 languages have ever won the World Cup…

Spanish (Uruguay, Argentina, Spain)
German (West Germany, Germany)
Portuguese (Brazil)
Italian (Italy)
French (France)
English (England)

The top 4 have won 18/21.

Interestingly all these languages emanated from one zone in North-West Europe and they are all neighbours clustered together.

Finalists who never won…

Netherlands (Thrice)
Czechoslovakia (twice)
Hungary (Twice)
Sweden
Croatia

Semi-finalists/Top 4 teams who never reached the final…

USA
Austria
Chile
Portugal
Russia
Poland
Belgium
Bulgaria
South Korea
Turkey