Koibal language may refer to: Koibal dialect (Samoyedic), an extinct Samoyedic language or dialect of Kamas Koibal dialect (Turkic), a dialect of the Khakas language, a modern Turkic language, was having ISO code zkb but merged into Khakas (kjh) in 2023 Koibalkyshtym language, an extinct Yeniseian language