Øystein Bache (born 23 September 1960 in Oslo) is a Norwegian comedian and actor.
He is best known as the frontman on the satirical TV programme Egentlig 1993-97 and its follow-up Øystein og meg 1997-2000.
Bache has long been linked with live television programmes such as the Norwegian Melodi Grand Prix which he presented in 1998, 1999 and 2003.
Bache is also the presenter of the comedy programme Løvebakken which is shown on Saturdays.
He also often takes part in the panel on the radio show Twenty Questions on NRK P1 and has also been the stand-in host.