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Last name Ishizuka (イシヅカ , Ishizuka , Ишизука ) , around the globe, is quite a rare family name. The last name Ishizuka is habitual in Oman, where it is a rare surname, Japan, and New Zealand. In absolute terms, the name is most common in Japan, Brazil, and the United States. More prevalently, Ishizuka is the forename as well as the last name.