Günsberg is a municipality in the district of Lebern in the canton of Solothurn in Switzerland. Günsberg is first mentioned in 1307 as Gunsperch. Günsberg has an area, , of . Of this area, or 46.9% is used for agricultural purposes, while or 42.5% is forested. Of the rest of the land, or 10.3% is settled (buildings or roads) and or 1.0% is unproductive land. Of the built up area, housing and buildings made up 7.2% and transportation infrastructure made up 2.5%. Out of the forested land, 38.3% of the total land area is heavily forested and 4.2% is covered with orchards or small clusters of trees. Of the agricultural land, 12.0% is used for growing crops and 23.0% is pastures and 11.2% is used for alpine pastures. The municipality is located in the Lebern district, in the southern foothills of the Jura Mountains. The blazon of the municipal coat of arms is Or a Deer salient Gules over a Mount of 3 Coupeaux Vert. Günsberg has a population () of . , 7.2% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of -1.2%. Most of the population () speaks German (1,121 or 94.4%), with French being second most common (14 or 1.2%) and French being third (14 or 1.2%). There are 2 people who speak Romansh. the gender distribution of the population was 50.2% male and 49.8% female. The population was made up of 525 Swiss men (45.7% of the population) and 52 (4.5%) non-Swiss men. There were 527 Swiss women (45.8%) and 46 (4.0%) non-Swiss women. Of the population in the municipality 438 or about 36.9% were born in Günsberg and lived there in 2000. There were 332 or 28.0% who were born in the same canton, while 258 or 21.7% were born somewhere else in Switzerland, and 97 or 8.2% were born outside of Switzerland. In there were 9 live births to Swiss citizens and were 11 deaths of Swiss citizens. Ignoring immigration and emigration, the population of Swiss citizens decreased by 2 while the foreign population remained the same. There was 1 Swiss man and 1 Swiss woman who immigrated back to Switzerland.