Miani is used as both a surname and given name and likely developed through modern multicultural usage rather than one single source.
Miani is a name of multiple possible origins, its meaning shifting depending on the cultural geography that claims it. In East African naming traditions, particularly in Swahili-speaking communities, the suffix -ni often functions as a locative marker (meaning "at" or "in a place"), and names ending in -ni carry a sense of belonging or dwelling. The root mia- in Swahili can relate to the number one hundred (mia moja), suggesting abundance, but Miani as a given name may also function as a simple melodic composition in that tradition, where the sound of a name holds as much significance as its lexical meaning.
The name also surfaces in Italian records as a surname, associated most notably with Giovanni Battista Miani, the nineteenth-century Venetian explorer who was among the earliest Europeans to attempt to find the source of the Nile, pushing further south into equatorial Africa than most of his contemporaries before illness forced him back. That adventurous association gives the name an unexpected historical depth for those who encounter it in that context. As a given name in contemporary use, Miani most closely resembles and benefits from the enormous popularity of Mia — one of the most-used girls' names of the early twenty-first century — while extending it into something more unusual and more complete.
The -ani ending gives it a softness and an international quality, placing it in sonic company with names like Imani, Leilani, and Amani. It is a name that sounds simultaneously familiar and entirely its own.