Family name Olusesi (Olusesi 
) , throughout the world, is quite a rare last name. The cognomen Olusesi is habitual in Nigeria, where it is quite a rare surname, Austria, where it is a rare surname, and the United Kingdom, where it is a very rare surname. In absolute terms, it is commonest in Nigeria, the United States, and the United Kingdom. Also, Olusesi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Olusesi | Niger, United Kingdom, United States, Nigeria, Austria |