Rossens (French: [ʁɔsɑ̃s], Franco-Provençal: [ʁɔˈʃɛ̃] ⓘ) is a former municipality in the district of Sarine in the canton of Fribourg in Switzerland.

On 1 January 2016 it merged with Corpataux-Magnedens, Farvagny, Le Glèbe and Vuisternens-en-Ogoz to form the new municipality of Gibloux.

[2] Rossens had an area, as of 2009[update], of 5.1 square kilometers (2.0 sq mi).

Of the rest of the land, 0.82 km2 (0.32 sq mi) or 16.1% is settled (buildings or roads), 0.04 km2 (9.9 acres) or 0.8% is either rivers or lakes.

[3] The former municipality is located in the Saane district, on the northern end of the Lake of Gruyère.

[4] The blazon of the municipal coat of arms is Gules between two Post-horns Argent on a Bend Or a Lion passant Azure langued of the first.

[7] Most of the population (as of 2000[update]) speaks French (1,012 or 90.8%) as their first language, German is the second most common (63 or 5.7%) and Portuguese is the third (13 or 1.2%).

[7] The historical population is given in the following chart:[2][11] The ruin of Illens Castle is listed as a Swiss heritage site of national significance.

[7] There were 606 residents of the municipality who were employed in some capacity, of which females made up 44.4% of the workforce.

In the tertiary sector; 47 or 44.3% were in wholesale or retail sales or the repair of motor vehicles, 6 or 5.7% were in the movement and storage of goods, 5 or 4.7% were in a hotel or restaurant, 8 or 7.5% were in the information industry, 3 or 2.8% were the insurance or financial industry, 7 or 6.6% were technical professionals or scientists, 20 or 18.9% were in education and 2 or 1.9% were in health care.

[7] From the 2000 census[update], 965 or 86.6% were Roman Catholic, while 55 or 4.9% belonged to the Swiss Reformed Church.

This is followed by three years of obligatory lower Secondary school where the students are separated according to ability and aptitude.

The upper Secondary school is divided into gymnasium (university preparatory) and vocational programs.

After they finish the upper Secondary program, students may choose to attend a Tertiary school or continue their apprenticeship.