Cognomen Таникава (Tanikawa 
, Таникава, Tanakawa) , worldwide, is a rare last name. The cognomen Таникава is characteristic of Brazil, where it is a rare surname, Japan, and New Zealand, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Brazil, Japan, and the United States. Much less frequently, Таникава is the forename as well as the last name.