Founex is a municipality in the district of Nyon in the canton of Vaud in Switzerland.

When the separation of Vaud from Bern occurred in 1536 the village came under control of the district of Nyon.

In the 14th century a Cistercian abbey Bonmont and the dependent la Châtaigneraie joined Founex.

After the Ancien Régime Founex was, from 1798 to 1803 in the Helvetic Republic's Canton of Léman.

[11] The age distribution, as of 2009[update], in Founex is; 418 children or 14.2% of the population are between 0 and 9 years old and 440 teenagers or 15.0% are between 10 and 19.

[10] The historical population is given in the following chart:[3][14] In the 2007 federal election the most popular party was the SVP which received 24.48% of the vote.

In the tertiary sector; 26 or 5.1% were in wholesale or retail sales or the repair of motor vehicles, 6 or 1.2% were in the movement and storage of goods, 23 or 4.5% were in a hotel or restaurant, 18 or 3.6% were in the information industry, 3 or 0.6% were the insurance or financial industry, 27 or 5.3% were technical professionals or scientists, 190 or 37.5% were in education and 14 or 2.8% were in health care.

[10] The Catholic chapel of Saint Robert de Molesmes is located between the lake and the Route Suisse.

The building was erected in 1898-1899 on land donated by Baroness Double de Saint Lambert.

It was inaugurated and blessed on 3 August 1899 by Joseph Déruaz, Bishop of Lausanne, Geneva and Fribourg.

(upcoming) From the 2000 census[update], 872 or 32.9% were Roman Catholic, while 761 or 28.7% belonged to the Swiss Reformed Church.

[11] The Catholic Chapel Saint Robert de Molesmes is located between the lake and the Swiss road.

This building was erected in 1898-1899 on land donated by Baroness Double de Saint Lambert.

The International School of Geneva's campus La Châtaigneraie is located in the locality of Châtaigneriaz.

In the Vaud cantonal school system, two years of non-obligatory pre-school are provided by the political districts.

The canton's primary school program requires students to attend for four years.