Last name אוקובו (Toshimichi 
, Okubo 
, אוקובו 
) , in all the world, is quite a rare family name. The last name אוקובו is habitual in Japan, where it is quite a rare surname, Kenya, where it is a rare surname, and United Arab Emirates. In absolute terms, it is the most numerous in Japan, Brazil, and the United States. Likewise, אוקובו is the forename as well as the last name.