| Official Name: | Ain Arnat |
| Other Name: | ⴰⵉⵏ ⴰⵔⵏⴰⵜ |
| Native Name: | عين أرنات |
| Nickname: | Ain arnat |
| Settlement Type: | Town and Commune, Setif |
| Motto: | By the people and for the people |
| Pushpin Map: | Algeria |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location within Algeria |
| Subdivision Type: | Country |
| Subdivision Name: |  Algeria |
| Subdivision Name1: | Sétif Province |
| Subdivision Type2: | District |
| Leader Title: | Mayor |
| Leader Name: | Lakhder Elkolli |
| Established Date: | 1853 |
| Unit Pref: | Imperial |
| Area Land Km2: | 202,55 |
| Population As Of: | 2008 |
| Population Total: | 43 551 |
| Population Density Km2: | 215/km2 |
| Timezone: | CET[1] |
| Utc Offset: | +1[2] |
| Coordinates: | 36.1833°N 5.3167°W |
| Postal Code: | 19017 |
Aïn Arnat (in Arabic : عين أرنات) is a town and commune in Sétif Province in north-eastern Algeria.[3]
Aïn Arnat is located 7 km west of the city of Sétif and 293 km from the capital Algiers. The Aïn Arnat District has four communes which are Aïn Arnat, Aïn Abessa, El Ouricia and Mezloug.Bordered by Ain Abessa commune from the north, Mezloug from the south, Sétif from the eastand by Bordj Bou Arréridj Province from the west.[4]
The total population of Aïn Arnat was evaluated at 43 551 inhabitants in 2008with a density of 215 inhabitants/km2.[5]
Aïn Arnat district has two high schools and four middle schools,And more than 12 Primary schoolsPeople who graduate mostly go afterwards to University Ferhat Abbas or University Mohamed Lamine Debaghine in Setif.[6]
Ain arnat has a Dry Mediterranean climate (Köppen climate classification Csa), its summer is hot and dry, whilst its winter is cool and moist.
due to its location on the High Plateaus at an elevation of 1096m (3,596feet), it is one of the coldest regions during winter in Algeria.It frequently sees an annual snowfall of up to 40cm (20inches). Flash floods are rare but have recently occurred around the spring and fall seasons. The summer is fairly hot where extreme heat waves are common around the month of July where temperatures can sometimes even reach 40C.[7]
Aïn Arnat has the main and only Airport in Sétif which is Ain Arnat Airport or Sétif International Airport Adding to that The National road N°5 which passes by it, and that makes it one of the most important communes in the wilaya of Sétif.[8]