Otto Jettman (born 6 May 1989), better known by his stage name Otto Knows is a Swedish DJ, producer and remixer who has had a number of hits in Sweden, Belgium and the Netherlands and has collaborated with artists including Britney Spears, Avicii, Sebastian Ingrosso, Alesso and has made remixes for ATB, Imogen Heap, Lindsey Stirling and others.

He followed this up with "Million Voices", created in the back room of the studio whilst Ingrosso and Alesso penned the popular festival song "Calling".

He has had a number of chart successes including his single "iTrack" credited to Tim Berg vs Oliver Ingrosso & Otto Knows and with his remix of Dada Life's "Kick Out the Epic Motherf**ker".

In late 2012, Otto remixed "Lies" by British DJ/record producer Burns, which was included in the extended play release of the single in the UK.

The remix proved to fair commercially better and peaked at number 32 in the UK Singles Chart on 24 December 2012 after four weeks.