Last name หงุ่ย (Ngui 
, หงุ่ย) , throughout the world, is a common cognomen. The surname หงุ่ย is characteristic of Sub-Saharan Africa, particularly Equatorial Guinea, where it is quite a common surname, Kenya, where it is quite a rare surname, and Gabon. Measured by absolute frequency, it most frequently occurs in Kenya, Malaysia, and Cameroon. Very seldom, หงุ่ย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ngui | Indonesia, Democratic Republic of the Congo, Kenya, Cameroon, Malaysia |