Last name Ademu-John (Ademu-John 
) , in the entire world, is a very rare surname. The surname Ademu-John is habitual in Northern America, particularly the United States, where it is an extremely rare surname, and Canada. Parts of the name also exists independently as a last name Ademu, and a first name John.
| VARIANT | COUNTRY |
|---|---|
| Ademu-John | United States, Canada |