Pleigne is a municipality in the district of Delémont in the canton of Jura in Switzerland.

[5] The municipality is located in the Delemont district, on a terrace at an elevation of 809 m (2,654 ft).

It consists of the village of Pleigne, numerous former farms of Lucelle/Lützel Monastery, the Gasthaus Moulin-Neuf, the 18th century mill at Bavelier and the archeological Löwenburg site.

The blazon of the municipal coat of arms is Gules, between three Mullets of Five Or a Sword and a Staff Argent in Saltire and in chief on an Escutcheon of the last a Jay statant lined Sable.

[9] Most of the population (as of 2000[update]) speaks French (347 or 85.0%) as their first language, German is the second most common (58 or 14.2%) and Dutch is the third (2 or 0.5%).

The entire Löwenburg area is part of the Inventory of Swiss Heritage Sites.

[14] In the 2007 federal election the most popular party was the CVP which received 32.31% of the vote.

In the federal election, a total of 133 votes were cast, and the voter turnout was 42.9%.

[9] There were 217 residents of the municipality who were employed in some capacity, of which females made up 40.1% of the workforce.

In the tertiary sector; 3 or 23.1% were in wholesale or retail sales or the repair of motor vehicles, 5 or 38.5% were in the movement and storage of goods, 5 or 38.5% were in a hotel or restaurant, and .

[9] From the 2000 census[update], 305 or 74.8% were Roman Catholic, while 35 or 8.6% 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.