Spleen United is a Danish electronic rock band consisting of the brothers Bjarke (Vocals/Guitar) and Gaute Niemann (Bass/ Synth), Kasper Nørlund (Synth/Backing vocals), Rune Wehner (Synth) and Janus Nevel Ringsted (Drums).

Their second album Neanderthal was released on 21 January 2008 and the singles were (in order) "My Tribe", "Suburbia", "66", and "Failure 1977".

They put up a mini-site (www.sunsettosunset.com) with a number of puzzles that, if solved, give you an exclusive premiere of a video, and more prizes.

On 30 January 2012 the band released their highly anticipated third album entitled School of Euphoria.

After a somewhat tumultuous performance at NorthSide Festival in June 2013, the band announced they would not be playing together any time in the near future, although they did not officially break up.