Asea may refer to:

• African Securities Exchanges Association or African Stock Exchanges Association, an alliance of African exchanges
• Allmänna Svenska Elektriska Aktiebolaget, a former Swedish industrial company, now part of Asea Brown Boveri
• Asea, Greece, a village in Arcadia, Greece
• ASEA, LLC, a privately owned direct selling company, located in Salt Lake City, Utah

Allmänna Svenska Elektriska Aktiebolaget (English translation: General Swedish Electric Company; Swedish abbreviation: ASEA) was a Swedish industry company. In 1988 it merged with the Swiss company Brown, Boveri & Cie (BBC) to form ABB Group. ASEA still exists, but only as a holding company owning 50% of the ABB Group.