Ikizu (Ikikizu, Kiikiizo) is a Bantu language spoken by the Ikizu peoples of Tanzania. Its dialects are Ikizu proper and Sizaki. Maho (2009) treats Sizaki (Shashi) as a separate language. However, Ethnologue 16th edition retired the ISO code for Sizaki, merging it into Ikizu.
Sewangi, Seleman S. (2008). Kiikiizo: Msamiati wa Kiikiizo–Kiingereza–Kiswahili na Kiingereza–Kiikiizo–Kiswahili / Ikiizo–English–Swahili and English–Ikiizo–Swahili Lexicon. ISBN9987691110.