This is a list of political parties around the world by ideology. A political party is a political organization subscribing to a certain ideology or formed around very special issues with the aim to participate in power, usually by participating in elections.

See political party for a more comprehensive discussion.

Political parties by ideology

• christian democratic parties
• communist parties
• conservative parties
• ethnic regionalist parties
• frivolous parties
• green parties
• Legalise cannabis parties
• liberal and similar parties
• libertarian parties
• social democratic parties

Trans-national world groupings and parties

• Liberal International
• International Democrat Union
• List of left-wing internationals
  • List of left communist internationals
  • List of Trotskyist internationals
• Global Greens
• LaRouche Movement
• Socialist International