The Ala-Buga (Kyrgyz: Ала-Буга, also Алабуга) is a left tributary of the Naryn in Naryn Region of Kyrgyzstan.

The river is known as Arpa in its upper reaches until its confluence with the Bychan.

[1] The Ala-Buga is formed on the north slopes of the Torugart Too range and the south slopes of the Jaman Too mountains.

[3] Settlements located along the banks of Ala-Buga include Kosh-Döbö, Jerge-Tal and Kongorchok.

This article related to a river in Kyrgyzstan is a stub.