| Official Name: | Ain Ksour |
| Native Name: | عين كسور |
| Pushpin Map: | Lebanon |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 300 |
| Pushpin Map Caption: | Location in Lebanon |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Mount Lebanon Governorate |
| Subdivision Type2: | District |
| Subdivision Name2: | Aley District |
| Unit Pref: | Imperial |
| Area Total Km2: | 1.94 |
| Population Blank1 Title: | Ethnicities |
| Population Blank2 Title: | Religions |
| Timezone: | EST |
| Utc Offset: | +2 |
| Timezone Dst: | +3 |
| Coordinates: | 33.7492°N 35.5347°W |
| Elevation Footnotes: | [1] |
| Elevation M: | 710 |
Ain Ksour (ar|عين كسور), is a village in Aley District, Lebanon.
Municipal elections are held every four years.
In 1838, Eli Smith noted the place, called Ain Kesur, located in El-Ghurb el-Fokany; Upper el-Ghurb.[2]
There are two churches in Ain Ksour. One is Saint Peter and Paul's church, which was built around 800 AD, destroyed during the Lebanese civil war, and rebuilt. The other is Saint Elias's church, which is newer, was destroyed during the Lebanese civil war, and is currently being rebuilt.