Courchavon (French pronunciation: [kuʁʃavɔ̃]) is a municipality in the district of Porrentruy in the canton of Jura in Switzerland.

[5] The municipality is located in the Porrentruy district, on the left bank of the Allaine river.

The blazon of the municipal coat of arms is Azure, a Mullet [of Six] Or in chief between a Saltire of the same.

[9] Most of the population (as of 2000[update]) speaks French (280 or 95.6%) as their first language, German is the second most common (10 or 3.4%) and Portuguese is the third (2 or 0.7%).

[9] The historical population is given in the following chart:[3][13] In the 2007 federal election the most popular party was the CVP which received 70.93% of the vote.

In the federal election, a total of 148 votes were cast, and the voter turnout was 68.8%.

[9] There were 118 residents of the municipality who were employed in some capacity, of which females made up 40.7% of the workforce.

In 2008[update] the total number of full-time equivalent jobs was 163.

In the tertiary sector; 4 or 16.0% were in wholesale or retail sales or the repair of motor vehicles, 8 or 32.0% were in a hotel or restaurant, 4 or 16.0% were technical professionals or scientists, 1 was in education.

[9] From the 2000 census[update], 253 or 86.3% were Roman Catholic, while 15 or 5.1% 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.

It is located on the Delémont–Delle line and has regular service to Biel/Bienne and Meroux (in France).