Barnes & Barnes are an American musical duo, formed in Los Angeles in 1970. Though commonly associated with novelty music and comedy rock, their music has also incorporated elements of new wave, synth-pop, and folk rock.

The duo formed in 1970 by high school classmates Bill Mumy and Robert Haimer, originally as a private home recording project. By 1978, Barnes & Barnes had gained public recognition with the radio debut of their novelty song “Fish Heads” on the U.S. nationally syndicated Dr. Demento Show.

When recording or performing as Barnes & Barnes, Mumy and Haimer adopt the personae of Art Barnes and Artie Barnes, respectively; twin brothers from the fictional civilization of Lumania, existing in an alternate dimension complete with its own language and customs.