Lüsslingen-Nennigkofen is a municipality in the district of Bucheggberg, in the canton of Solothurn, Switzerland.

[6] Lüsslingen had an area, as of 2009[update], of 3.19 square kilometers (1.23 sq mi).

Of the rest of the land, 0.4 km2 (0.15 sq mi) or 12.5% is settled (buildings or roads), 0.2 km2 (0.077 sq mi) or 6.3% is either rivers or lakes and 0.01 km2 (2.5 acres) or 0.3% is unproductive land.

Nennigkofen had an area, as of 2009[update], of 4.62 square kilometers (1.78 sq mi).

Characterized by equable climates with few extremes of temperature and ample precipitation in all months.