Alibori [a.li.bɔ.ʁi] is the largest and northernmost department (French: département) of Benin.

The department contains the bulk of Benin's section of the trans-boundary W National Park.

The northern regions of Benin, in general, receives one season of rainfall from May to September, compared to the southern regions which receive two spells from March to July and September to November.

[6] Kandi is the departmental capital; other major settlements include Banikoara, Gounarou, Guénè, Malanville and Ségbana.

According to Benin's 2013 census, the total population of the department was 867,463, with 431,357 males and 436,106 females.

[7] The main ethnolinguistic groups in the department are the Bariba, Dendi and Fulani.

Alibori is subdivided into six communes, each centered at one of the principal towns: Banikoara, Gogounou, Kandi, Karimama, Malanville and Ségbana.

A law passed in 1999 transformed the sous-prefectures, the lowest level of territorial administration, into local governments.

[10] Municipalities and communal councils have elected representatives who manage the administration of the regions.