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Worldwide, Retsu (Retsu , レツ ) is quite a rare boy's given name. The first name Retsu is habitual in Japan, where it is quite a rare masculine name, Indonesia, where it is a very rare boy's name, and India, where it is an extremely rare epicene name. Much less frequently, Retsu is the last name as well as the forename.
Retsu is also a name for the fictitious and mythical characters: Retsu Unohana , the fictional character from Bleach; Retsu Kaioh , the fictional character of the Baki the Grappler franchise and Retsu Saeba , the character from Bakusō Kyōdai Let's & Go!!.
Go, Takeda, Tomita, Toyoda, Fujita, Ishida, Ohashi, Unohana, Uchida, Sakurai, Shimizu, Yoshida, Motoyoshi, Nakamura, Nakajima, Hasegawa, Ishikawa, Watanabe, Yamazaki, Morishita, Kobayashi, Takahashi, Tanaka, Kawada, Suzuki, Sasaki, Abe, Ahn, Ida, Ito, Ota, Sato, Sudo, Ando, Baba, Kudo, Nishiyama, Kubo, Wada, Maeda, Saito, Sakai, Seiba, Noaki, Fujii, Inoue, Okada, Murata, Hara, and Yamaguchi