Editing Porsgrunn (section)

=== Public service and public thinking ===
* [[Cort Adeler]] (1622–1675), a Norwegian/Danish [[admiral]] 
* [[Niels Aall]] (1769–1854), an estate owner, businessman and politician who built [[Niels Aall#Ulefos Manor|Ulefos Manor]]
* [[Severin Løvenskiold]] (1777–1856), a nobleman, politician, and Prime Minister of Norway 1828/1841
* [[Thobias Petter Wiibe]] (1815–1891), a politician and Mayor of Porsgrund in the 1850s 
* [[Niels Mathiesen]] (1829–1900), a politician, merchant, and Mayor of Porsgrund during the 1860s to 1880s
* [[Jørgen Christian Knudsen]] (1843–1922), a ship-owner and politician
* [[Johan Castberg]] (1862–1926), a [[politician]] and government minister during the 1900s & 1910s
* [[Carl P. Wright]] (1893–1961), a politician who was Mayor of Porsgrunn during the 1930s
* [[Erik Hesselberg]] (1914–1972), a sailor, author, painter, sculptor, and [[Kon-Tiki]] crewmember
* [[Einar Tufte-Johnsen]] (1915–1985), an aviation officer and head of [[NATO Defense College]] 
* [[Finn Kristensen]] (born 1936), an electrician, trade unionist, and government minister during the 1980s & 1990s
* [[Ann-Marit Sæbønes]] (born 1945), a physiotherapist and first female Mayor of Oslo during 1992-1995
* [[Mads Gilbert]] (born 1947), a physician, humanitarian, activist, and politician 
* [[Kristin Halvorsen]] (born 1960), the former leader of [[Socialist Left Party (Norway)|Socialist Left Party]] and a government minister
* [[Vibeke Hein Bæra]] (born 1964), a lawyer, defended [[Anders Behring Breivik]] at his [[Trial of Anders Behring Breivik|trial]]
* [[Robin Kåss]] (born 1977), a politician who was elected Mayor of Porsgrunn in 2015 & 2019
* [[Torbjørn Røe Isaksen]] (born 1978), the former leader of [[Norwegian Young Conservatives]] and the [[Ministry of Education and Research (Norway)|Minister of Education and Research]]
* brothers [[Kjetil Aleksander Lie]] (born 1980) & [[Espen Lie]] (born 1984), chess players