Agachaul (Russian: Агачаул; Kumyk: Агач-аул, Agaç-aul) is a rural locality (a selo) in Karabudakhkentsky District, Republic of Dagestan, Russia.

[3] Kumyks live there.

Agachaul is located 39 km northwest of Karabudakhkent (the district's administrative centre) by road.

Novy Kyakhulay and Talgi are the nearest rural localities.

This Republic of Dagestan location article is a stub.