Last name Omuku (Omuku 
) , across the world, is a rare family name. The last name Omuku is habitual in Japan, where it is a rare surname, Kenya, and Switzerland, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Japan, Kenya, and Nigeria. Very seldom, Omuku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Omuku | Japan, Kenya, Switzerland, Nigeria, Colombia |
| nengi omuku artist, NG (b. 1987) |
|