Ashash, Aachach, Achache or Aachache (also referred to as Deir Ashash ) (Arabic: عشاش) is a village in Zgharta District, in the Northern Governorate of Lebanon. Its population is solely Maronite Catholic

Ashash is a small Catholic Lebanese Village located north of Zgharta, it has two Schools; Ecole Al Amana Achache and St. George's School Achache. The head of the Achache municipality ( رئيس البلدية ) is Christo Naffah.

Throughout the month of September 1975, battles broke out in the north of Lebanon. On September 10, As-Sa'iqa Palestinian-Syrian forces attacked the village of Deir Ashash and killed three priests. All residents had to flee.