| Nongstoin | |
| Other Name: | Nongstiiñ |
| Settlement Type: | Town |
| Pushpin Map: | India Meghalaya#India |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Meghalaya, India |
| Coordinates: | 25.52°N 91.27°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Meghalaya |
| Subdivision Type2: | District |
| Subdivision Name2: | West Khasi Hills |
| Unit Pref: | Metric |
| Elevation M: | 1409 |
| Population Total: | 28,742 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Population Footnotes: | [1] |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 793119 |
| Registration Plate: | ML 06 |
| Blank Name: | Climate |
| Blank Info: | Cwb |
Nongstoin (IPA: ˈnɒŋˌstɔɪn) is the headquarters of West Khasi Hills district in the state of Meghalaya in India.
Nongstoin is located at .[2] It has an average elevation of 1409 metres (4622 feet).e
The Langshiang Falls is located from Nongstoin.[3]
India census,[4] Nongstoin had a population of 22,003. Males constitute 50% of the population and females 50%. Nongstoin has an average literacy rate of 67%, higher than the national average of 59.5%: male literacy is 67%, and female literacy is 66%. In Nongstoin, 23% of the population is under 6 years of age.
Most of the people in the town overwhelmingly follow Christianity, with significant followers of Hinduism and a small Muslim population.
In January 2006, Pope Benedict XVI erected a diocese in Nongstoin, covering the West Khasi Hills district.The Franciscan Missionary Brothers of the Catholic Church run a college and a school at Siejlieh, Nongstoin.
Since 2015 the annual Nongkhnum Festival was held at Nongkhnum River Island. The program conducts are right from pole climbing, trekking, beauty contest, to Moto-Cross and many more. Since the event is co-organised with Swachh Bharat it is meant to raose awareness about cleanliness. The event is supposed to be a plastic-free zone. Two people drowned at the river and one was injured at the moto cross event.