>
Surname Otsubo (オオツボ , Otsubo , 大坪 ) , across the world, is a rare family name. The cognomen Otsubo is habitual in Slovakia, where it is a rare surname, Bolivia, and Czechia. Not in comparison with a country's population, it is the most numerous in Brazil, Japan, and the United States. More prevalently, Otsubo is the forename as well as the last name.