Jan Frøystein Halvorsen was born on October 23, 1928, in Oslo and died on December 6, 2016.

He was a Norwegian judge.

Jan Frøystein Halvorsen worked as a Supreme Court barrister from 1962, average adjuster from 1963, presiding judge in Eidsivating Court of Appeal from 1976 and as a Supreme Court Justice from 1983 to 1995.

Jan Frøystein Halvorsen was also a deputy member of the Labour Court of Norway.

Jan Frøystein Halvorsen passed away at 88 years old.