Around the globe, Mwiru (Mwiru 
) is a rare unisex first name. The forename Mwiru is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a rare epicene name. Predominantly, Mwiru is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mwiru | Tanzania, United States, Uganda, Kenya |
Mary, Pendo, Diana, Grace, Joyce, Neema, Elias, Ester, Frank, Flora, Omary, Zainu, Mariam, Mariki, Martin, Mayasa, Masoud, Makame, Monica, Mshamu, Salehe, Samwel, Paulo, Brito, Aisha, Amisa, Said, Sada, Ally, Anna, Paul, Rose, Lucy, Jane, John, Juma, Sadamu, Tito, Esta, Hawa, Issa, Maria, Maiko, Salma, Salum, Saumu, Stela, Amina, Tunu, and Sakina