洛巴耶省 （法文：Prefecture d'Lobaye）是中非共和国16省之一，首府姆拜基 (法文:Mbaïki).

Lobaye is one of the 14 prefectures of the Central African Republic. Its capital is Mbaïki. The prefecture is located in the southern part of the country, bordering the Congo Republic and the Democratic Republic of the Congo. It shares borders with the prefectures of Mambéré-Kadéï to the northwest, Sangha-Mbaéré to the west, and Ombella-M'Poko to the northeast.