Luba-Kasai, oo sidoo kale loo yaqaano Western Luba, Bena-Lulua, Ciluba / Tshiluba, Luba-Lulua ama Luva, waa luqadda Bantu (Zone L) ee Bartamaha Afrika iyo luqad qaran ee Jamhuuriyadda Dimuqraadiga ah Congo, oo ay wehliyaan Lingala, Swahili, iyo Kikongo. Hadalka bariga ayaa waxaa ku hadlaya dadka Luba ee gobolka Bariga Kacaan iyo lahjad galbeed ah dadka reer Lulua ee gobolka West Kasai. Wadarta wadahadalka waxaa lagu qiyaasey 6.3 milyan sanadkii 1991. Luba-Kasai wuxuu ka mid yahay kooxo luqadood oo ka kooban "Luba", oo ay la wadaagaan Kaonde (L40), Kete (L20), Kanyok, Luba-Katanga (KiLuba), Sanga, Zela iyo Bangubangu. Luqadaha L20, L30 iyo L60 waxaa sidoo kale loo qaybiyaa luqadaha Luban ee Zone L Bantu. Tshiluba Luba