Folkoperan is an opera house in , Sweden, founded by Claes Fellbom in 1976. It is located in at in a popular southern district of Stockholm called Södermalm.
Over the years, Folkoperan has functioned as an antithesis to the Royal Swedish Opera in Stockholm. It has become much appreciated by the Swedish opera audience on account of its smaller more intimate stage and unconventional productions. Over the years Folkoperan has also come to be known as Sweden's most important stage for freelance opera singers and musicians.
As a theatre institute, Folkoperan receives annual funding from the Swedish Arts Council, Stockholm County Council and the City of Stockholm.
Folkoperan is one of Scandinavia's most successful opera houses in terms of the size of the audience.
Folkoperan celebrated its 25th anniversary with the new opera, Jeppe: The Cruel Comedy, written and directed by Fellbom and composed by Sven-David Sandström.