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Family name Kunitsugu (Kunitsugu
, Косака
) , throughout the world, is quite a rare last name. The surname Kunitsugu is characteristic of Japan, where it is quite a rare surname, the United States, where it is an extremely rare surname, and Russia. Measured by absolute frequency, it is commonest in Japan, the United States, and China. More frequently, Kunitsugu is the forename as well as the last name.
Abe, Matsuo, Makino, Minato, Sasaki, Suzuki, Tanaka, Tanabe, Tamura, Takeda, Oshima, Kishida, Miyazaki, Sakamoto, Nakamura, Nakajima, Fujiwara, Ishikawa, Watanabe, Yamanaka, Yamamoto, Kobayashi, Ohara, Ogawa, Okada, Orimo, Ito, Sano, Sato, Kora, Goto, Endo, Hori, Imai, Ueno, Ueda, Takahashi, Maeda, Sakai, Araki, Kasai, Genki, Tabei, Hyodo, Inada, Inoue, Imura, Izumi, Miura, and Yamaguchi