Last name Осуги (Osugi 
, 大杉 
, Осуги) , in all the world, is a rare family name. The last name Осуги is habitual in Japan, where it is a very rare surname, Brazil, and Canada. Measured by absolute frequency, the name is most common in the United States, Brazil, and Indonesia. Likewise, Осуги is the forename as well as the last name.