This paper presents an overview of diminutives in the Bantu language family, with an emphasis on the role of the noun class system in diminutive formation. It charts different processes of language change which have shaped the present-day situation, as well as highlighting instance in which language contact has played a role in the development of diminutive systems. It also addresses semantic and pragmatic processes underlying the change and variation in Bantu diminutives. The comparison is based on a cross-Bantu typology, examining a sample of 48 languages widespread across the linguistic domain