List of opera companies in Europe

This inclusive list of opera companies in Europe contains European opera companies with entries in Wikipedia plus other companies based there. Within the sections for each country, the arrangement is alphabetical by location. For a list of the most important opera companies in the world, see Lists of opera companies. For more inclusive lists of opera companies from other regions, see:
 * List of Latin American and South American opera companies
 * List of North American opera companies,
 * List of opera companies in Africa and the Middle East
 * List of opera companies in Asia, Australia, and Oceania