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Last name Nishitani (Nishitani
, 西谷
, Ниситани
) , globally, is a rare surname. The cognomen Nishitani is characteristic of Hong Kong, where it is a rare surname, Japan, and Singapore. Not in comparison with a country's population, this name is the most popular in Japan, Brazil, and the United States. Much less frequently, Nishitani is the forename as well as the last name.