Surname Duyi (Duyi 
) , around the globe, is a rare family name. The family name Duyi is characteristic of Tanzania, where it is a rare surname, Malaysia, where it is a very rare surname, and Venezuela. In absolute terms, it is commonest in Tanzania, Nigeria, and India. Also, Duyi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Duyi | Tanzania, Malaysia, India, Nigeria, China |