Montmollin is a former municipality in the district of Val-de-Ruz in the canton of Neuchâtel in Switzerland.

The municipalities of Boudevilliers, Cernier, Chézard-Saint-Martin, Coffrane, Dombresson, Engollon, Fenin-Vilars-Saules, Fontainemelon, Fontaines, Les Geneveys-sur-Coffrane, Les Hauts-Geneveys, Montmollin, Le Pâquier, Savagnier and Villiers merged on 1 January 2013 into the new municipality of Val-de-Ruz.

[2] Montmollin had an area, as of 2009[update], of 4.1 square kilometers (1.6 sq mi).

[3] The former municipality is located in the Val-de-Ruz district, on the westernmost edge of the valley.

The blazon of the municipal coat of arms is Azure, on a Mount Vert a Mill Or.

[7] Most of the population (as of 2000[update]) speaks French (427 or 90.3%) as their first language, German is the second most common (19 or 4.0%) and English is the third (8 or 1.7%).

[7] The historical population is given in the following chart:[2][11] In the 2007 federal election, the most popular party was the SVP, which received 29.4% of the vote.

In the federal election, a total of 189 votes were cast, and the voter turnout was 53.1%.

[7] There were 274 residents of the municipality who were employed in some capacity, of which females made up 45.6% of the workforce.

In the tertiary sector; 17 or 37.0% were in wholesale or retail sales or the repair of motor vehicles, 2 or 4.3% were in the movement and storage of goods, 13 or 28.3% were in a hotel or restaurant, 2 or 4.3% were in the information industry, 2 or 4.3% were technical professionals or scientists, 5 or 10.9% were in education.

[7] From the 2000 census[update], 122 or 25.8% were Roman Catholic, while 186 or 39.3% belonged to the Swiss Reformed Church.

During the 2010–11 school year, there were 3 kindergarten classes with a total of 43 students between the municipalities.