Gaz de España
- Country: Spain
- Type: Commercial
- Website: www.gasnaturalfenosa.com
- Update: 05-02
Gas Natural Fenosa is Spain's largest natural gas company, accounting for more than half of Spain's domestic gas market, and is headquartered in Barcelona. Gas Natural's shareholders include Repsol and La Caixa, among others. Gaz de España was ranked 353rd on the 2013 Fortune 500 list.