A number of political organizations have called themselves the Radical Party, or have Radical as part of their name. These include parties in France, the United Kingdom, Denmark, Argentina and Canada. The name Radical can have various meanings, diverging from progressive liberal, to the extreme right and the extreme left wing of the political spectra.

• France: Radical Party
• Italy: Italian Radicals
• Serbia and Montenegro - Serbian Radical Party
• Transnational Radical Party

• Radical in combination with other words:
  • Argentina - Radical Civic Union
  • Chile - Social Democrat Radical Party
  • Denmark - The Radical Left, usually translated with Social Liberal Party
  • Ecuador - Alfarista Radical Front, Ecuadorian Radical Liberal Party
  • France - Left Radical Party
  • Paraguay - Authentic Radical Liberal Party
  • Switzerland - Radical Democratic Party of Switzerland
  • Norway - Red Election-Alliance - A Pro-Communistic Party.

• Defunct parties:
  • Bulgaria - Radical Democratic Party
  • Chile: Radical Party
  • India - Radical Democratic Party
  • Italy - Radical Party
  • Netherlands - Radical League- Political Party Radicals
  • United Kingdom - Radicals

See also: List of political parties