Den store klassefesten is a Norwegian chat show which was shown on NRK1 in 2000, 2001, 2005 and again from 2008. The programme was part of NRK's Saturday night line-up and the presenter was Dan Børge Akerø. Working with him, Akerø had the comedians Øystein Bache and Rune Gokstad who did a lot of the presenting work in the series. The series is regarded as one of NRK's biggest successes of the 2000s and won the prize for best chat show at Gullruten 2002. Previously, Akerø had won the prize for best presenter for the programme at Gullruten 2001.

The series premiered on NRK on 12 February 2000 and was shown on Saturday nights. The series has ran for four seasons.