Pampigny is a former municipality in the district of Morges in the canton of Vaud in Switzerland. On 1 July 2021 the former municipalities of Apples, Cottens, Pampigny, Sévery, Bussy-Chardonney and Reverolle merged into the new municipality of Hautemorges.
Pampigny is first mentioned in 1141 as Pampiniaco.
Pampigny had an area, , of . Of this area, or 57.7% is used for agricultural purposes, while or 36.5% is forested. Of the rest of the land, or 5.0% is settled (buildings or roads), or 0.1% is either rivers or lakes and or 0.6% is unproductive land.
Of the built up area, housing and buildings made up 2.5% and transportation infrastructure made up 1.7%. Out of the forested land, all of the forested land area is covered with heavy forests. Of the agricultural land, 49.4% is used for growing crops and 8.1% is pastures. All the water in the municipality is in lakes.
The former municipality was part of the Cossonay District until it was dissolved on 31 August 2006, and Pampigny became part of the new district of Morges.
The former municipality is located at the foot of the Jura Mountains.
The blazon of the municipal coat of arms is Gules, two Crosses in slatire Argent, surrounded by four Acorns Or.
Pampigny had a population (as of 2019) of 1,103. , 9.7% of the population are resident foreign nationals. Over the last 10 years (1999–2009 ) the population has changed at a rate of 20.6%. It has changed at a rate of 14.9% due to migration and at a rate of 5.1% due to births and deaths.
Most of the population () speaks French (765 or 92.4%), with German being second most common (33 or 4.0%) and English being third (12 or 1.4%). There are 4 people who speak Italian.
Of the population in the municipality 269 or about 32.5% were born in Pampigny and lived there in 2000. There were 299 or 36.1% who were born in the same canton, while 154 or 18.6% were born somewhere else in Switzerland, and 96 or 11.6% were born outside of Switzerland.
In there were 9 live births to Swiss citizens and 2 births to non-Swiss citizens, and in same time span there were 6 deaths of Swiss citizens.