Dopplereffekt

is an electronic music act from Detroit which has been active since 1995, and whose main member is producer/artist Gerald Donald (also one half of the band Drexciya with James Stinson). Another member is To Nhan Le Thi. The group released a compilation album, , in 1999, and were inactive until 2003; since then numerous albums have been released.

While the musical style and the act's image changed radically during a non-release period from 1999 to 2003, two steady characteristics are the display of a thematic affiliation with science and the obvious use of pseudonyms and the hence rumored but unconfirmed identities of the members.