Per-Kristian Foss (born 19 July 1950) is a Norwegian politician for the Conservative Party and from 2014 to 2021 the Auditor General of Norway.

From 2001 to 2005, when the second cabinet Bondevik held office, Foss was Minister of Finance.

Foss has received much attention for being the first openly gay minister in a Norwegian government and lives in registered partnership with Jan Erik Knarbakk.

[2] On the local level Foss was a deputy member of Oslo city council from 1971 to 1975.

Per Kristian Foss was mentioned as a possible new leader for the Conservative Party after Jan Petersen resigned in 2004, but he declined to run and instead supported Erna Solberg.