Sonja Barth

{{short description|Norwegian environmentalist}}

{{Expand Norwegian|topic=bio|Sonja Barth|date=May 2019}}

{{Infobox person

| name = Sonja Louise Barth

| birth_name = Sonja Louise Skoklefald

| birth_date = {{Birth date|1923|05|21|df=yes}}

| birth_place = Nesodden, Norway

| death_date = {{Death date and age|2016|09|10|1923|05|21|df=yes}}

| death_place = Oslo, Norway

| known_for = {{Plainlist|

• Environmentalism
• Norwegian resistance movement

}}

| spouse = {{Marriage|Edvard Kaurin Barth|1945|1996|end=d.}}

| awards = Order of St. Olav (2008)

}}

Sonja Louise Barth (21 May 1923 – 10 September 2016, {{Nee|Skoklefald}}) was a Norwegian environmentalist.{{cite news |last1=Bakke |first1=Tor A. |title=Nekrolog: Sonja Louise Barth |url=https://www.aftenposten.no/norge/i/Mv6qJ/Nekrolog-Sonja-Louise-Barth |accessdate=3 May 2019 |work=Aftenposten |date=14 September 2016|language=Norwegian}}{{cite book |title=Norsk Biografisk Leksikon |url=https://nbl.snl.no/Edvard_K_Barth |accessdate=3 May 2019 |chapter=Edvard K Barth|language=Norwegian}}

During World War II she was active in XU, the secret Norwegian resistance operation whose activities were kept secret until 1988. In 2008 she described her experiences to Lars Otto Wollum, on condition that he publish nothing of them until after her death.{{cite web | url=http://www.sollia.net/nytt-fra-bygd-og-fjell/minneord-om-sonja-barth | title=Minneord om Sonja Barth | date=16 September 2016 | last=Wollum | first=Lars Otto | language=Norwegian| access-date=3 May 2019}}

In 2008 she was appointed to the Royal Norwegian Order of Saint Olav. The citation referred to her work in public education and the dissemination of natural and cultural history, and to her work in the Rondane region.{{cite web |title=Utnevnelser til St. Olavs Orden |url=https://www.kongehuset.no/nyhet.html?tid=74490&sek=26939 |publisher=The Royal House of Norway |accessdate=3 May 2019 |date=5 December 2008|language=Norwegian}}

On 14 November 1945 she married Edvard Kaurin Barth (1913–1996), a photographer and zoologist.