Family name Kasagawa (Kasagawa 
) , in the entire world, is an extremely rare surname. The family name Kasagawa is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
Jun, Toshio, Noboru, Haruji, Hideji, Hikari, Yoshio, Yojiro, Yutaka, Masashi, Shigeru, Kenichi, Kiyoshi, Ryotaro, Takeshi, Tadashi, Nukitsugi, Hiroshi, Hiroyuki, Yoshiaki, Koichi, Kazuko, Susumu, Shigeo, Eri, Anna, Dais, Toru, Yuji, Masao, Sadao, Shoei, Seiji, Masayoshi, Akira, Kenji, Natoi, Hideo, Issei, Izumi, Osamu, Yasuo, Masato, Mitsuo, Kazuo, and Yoshikazu