Arnah () is a Syrian village in the Qatana District of the Rif Dimashq Governorate. According to the Syria Central Bureau of Statistics (CBS), Arnah had a population of 3,146 at the 2004 census. Its inhabitants are predominantly Druze and Christians.
In 1838, Eli Smith noted Arnah's population as Druze and Antiochian Greek Christians.
Since December 2024, the town has been under Israeli control.