Surname Senkai (Senkai 
) , globally, is a common last name. The surname Senkai is habitual in Eastern Asia, particularly Japan, where it is quite a common surname. Much less frequently, Senkai is the forename as well as the last name.
Ko, Takao, Takeo, Tadao, Toshi, Terue, Teruo, Haruo, Hiroo, Hideo, Isamu, Osamu, Yasuo, Yukio, Masami, Makoto, Mitsuo, Satoru, Saburo, Shinji, Shigeo, Susumu, Jitsu, Julia, Keiko, Kenji, Ei, Yo, Man, Sho, Miki, Akio, Koji, Paul, Jiro, Eiji, Chiaki, Yuji, Shiro, Shuzo, Shoji, Shozo, Seiji, Akira, Akiko, Bunyu, Kazuo, Kosei, Masao, and Kazuya