Surname Muugi (Muugi 
) , worldwide, is a rare cognomen. The cognomen Muugi is habitual in Kenya, where it is a rare surname, India, where it is an extremely rare surname, and the United States. Very seldom, Muugi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muugi | United States, Kenya, India |