Rupa and the April Fishes is a global alternative group based in San Francisco, California, fronted by composer, singer and guitarist Rupa Marya. Marya is also an author and physician, who teaches internal medicine at the UCSF School of Medicine. The group's songs are a mixture of musical styles ranging from jazz to punk to reggae to chanson, with lyrics in multiple languages (primarily French, Spanish and English).

The group began as a duet between Rupa Marya and cellist Ed Baskerville, and then grew to a band in San Francisco.

The name derives from the French saying "poisson d'avril [fr]", which means "April Fools'".

The group was featured on BBC World Service's and Public Radio Internationals The World.

The group has toured around the world and played at WOMAD, the Sziget Festival, Montreal Jazz Festival, Central Park Summerstage, Chicago Millennium Park, Sierra Nevada World Music Festival, Rajasthan International Folk Festival, and the Mosaic Music Festival.