"Mongoloid" is the first single released by American new wave band Devo in 1977, on the Booji Boy Records label. It was backed with the song "Jocko Homo". "Mongoloid" also had one of the first music videos made using collage. "Mongoloid" would later be re-recorded by Devo and appeared on the album Q: Are We Not Men? A: We Are Devo! in 1978. It is also a staple of Devo's live shows.

"Mongoloid", like many of Devo's early songs, was built on a motorik beat. The song opens with a 4/4 electric bass line, which is then joined by drums, and electric guitar. Over this, a swooping synthesizer line is played on Minimoog, using the pitch bend to create effect. The synth is not used as a lead instrument during the song, but only the opening and closing. The doubled vocals are sung simultaneously by both Gerald V. Casale and Robert "Bob 1" Mothersbaugh. On the original single, the vocals are deliberately sung in a nasal fashion. The lyrics describe a man who has Down syndrome yet leads a normal life.

"Mongoloid" was Devo's second music video, after The Truth About De-Evolution. It was not actually made by the band, but by assemblage artist and experimental filmmaker Bruce Conner. Conner combined 1950s television advertisements, science fiction film clips (including a scene from It Came from Outer Space), and scientific documentaries with abstract animation and original film work. Devo marketed the film as "A documentary film exploring the manner in which a determined young man overcame a basic mental defect and became a useful member of society. Insightful editing techniques reveal the dreams, ideals and problems that face a large segment of the American male population. Very educational. Background music written and performed by the DEVO orchestra."

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