Hayashi
Hayashi, is the 19th most common Japanese surname. Notable people with the surname include:
- Aiko Hayashi, Japanese synchronized swimmer
- Akihiro Hayashi, Japanese footballer
- Hayashi Akira, Japanese scholar and diplomat
- Akira Hayashi, Japanese swimmer
- Asuca Hayashi, Japanese singer
- Cheryl Hayashi, American biologist
- Chiaki Hayashi, Japanese businesswoman
- Chujiro Hayashi, Japanese naval surgeon and Reiki practitioner
- Chushiro Hayashi, Japanese astrophysicist
- Coco Hayashi, Japanese voice actress
- Daichi Hayashi, Japanese footballer
- Eigen Hayashi, Japanese sport shooter
- Eitetsu Hayashi, Japanese musician
- Erina Hayashi, Japanese tennis player
- Fubō Hayashi, pen name of Kaitarō Hasegawa, Japanese writer
- Fumiko Hayashi, Japanese writer and poet
- Fumiko Hayashi, Japanese politician
- Fumino Hayashi, Japanese manga artist
- Fumio Hayashi, Japanese economist
- Fumio Hayashi, Japanese physician
- Fusao Hayashi, pen name of Toshio Gotō, Japanese writer
- Hayashi Gahō, Japanese neo-Confucian philosopher and writer
- Hayashi Gakusai, Japanese neo-Confucian philosopher
- Hayashi Gonsuke, Japanese diplomat
- Harvey Saburo Hayashi, Japanese physician
- Hidekazu Hayashi, Japanese rower
- Hayashi Hidesada, Japanese samurai
- Hikaru Hayashi, Japanese classical composer, pianist and conductor
- Hirofumi Hayashi, Japanese historian
- Hiroki Hayashi, Japanese animator
- Hiroko Hayashi, better known as Chikage Oogi, Japanese actress and politician
- Hiroko Hayashi, Japanese singer, actress and television personality
- Hiromori Hayashi, Japanese composer
- Hiroyuki Hayashi, Japanese sprinter
- Hiroyuki Hayashi, Japanese footballer
- Hiroyuki Hayashi, Japanese musician
- Hisao Hayashi, Japanese government official
- Hayashi Hōkō, Japanese neo-Confucian scholar, teacher and administrator
- Honoka Hayashi, Japanese women's footballer
- Ikuo Hayashi, member of Aum Shinrikyo
- Isao Hayashi, Japanese singer and composer
- Izuo Hayashi, Japanese physicist
- Joe Hayashi, United States Army soldier and Medal of Honor recipient
- Jun Hayashi, Japanese politician
- Hayashi Jussai, Japanese neo-Confucian scholar
- Kaizo Hayashi, Japanese film director and screenwriter
- Kanna Hayashi, American academic
- Kazuaki Hayashi, Japanese footballer and manager
- Kazuhiro Hayashi, better known as Kaz Hayashi, Japanese professional wrestler
- Kazuo Hayashi, Japanese actor and voice actor
- Keiichi Hayashi, Japanese diplomat
- Keisuke Hayashi, Japanese footballer
- Keizō Hayashi, Japanese civil servant and general officer
- Kenta Hayashi, Japanese kickboxer
- Kentaro Hayashi, Japanese football player
- Kento Hayashi, Japanese actor
- Kim Hayashi, American cyclist
- Kiralee Hayashi, American stunt woman, actress and gymnast
- Kohei Hayashi, Japanese footballer
- Kumiko Hayashi, Japanese politician
- Kyoko Hayashi, Japanese writer
- Marc Hayashi, American actor
- Marika Hayashi, Japanese actress and voice actress
- Masako Hayashi, Japanese architect
- Mary Hayashi, American politician
- Masamichi Hayashi, Japanese footballer
- Masanori Hayashi, Japanese baseball player
- Masumi Hayashi, Japanese murderer
- Masumi Hayashi , American photographer and artist
- Mizuki Hayashi, Japanese footballer
- Moritaka Hayashi, Japanese lawyer
- Motoo Hayashi, Japanese politician
- Nagisa Hayashi, Japanese field hockey player
- Hayashi Narinaga, Japanese samurai
- Nobu Hayashi, Japanese karateka and kickboxer
- Hayashi Ōen, Japanese physician, military strategist, scholar, Shinto priest, diviner, and nationalist
- Osamu Hayashi, Japanese television personality
- Patrick Hayashi, the defendant in the property law case Popov v. Hayashi
- Hayashi Razan, Japanese neo-Confucian philosopher and writer
- Ryan Hayashi, Canadian magician
- Ryohei Hayashi, Japanese footballer
- Hayashi Ryūkō, Japanese neo-Confucian scholar, teacher and administrator
- Ryuta Hayashi, Japanese footballer
- Saki Hayashi, Japanese women's basketball player
- Satoru Hayashi, Japanese footballer
- Scott B. Hayashi, American Episcopal bishop
- Senjūrō Hayashi, Japanese general, politician and Prime Minister of Japan
- Shigeo Hayashi, Japanese photographer
- Hayashi Shihei, Japanese military scholar
- Hayashi Shiryu, Japanese swordsman
- Shizuya Hayashi, Japanese-American World War II soldier
- Shogo Hayashi, Japanese footballer
- Shōji Hayashi, Japanese architect
- Shota Hayashi, Japanese footballer
- Shūji Hayashi, Japanese actor
- Tadaaki Hayashi, Japanese table tennis player
- Tadahiko Hayashi, Japanese photographer
- Tadamasa Hayashi, Japanese art dealer
- Tadashi Hayashi, Japanese basketball coach
- Hayashi Tadasu, Japanese diplomat
- Hayashi Tadataka, Japanese daimyō
- Tadayoshi Hayashi, Japanese equestrian
- Takanobu Hayashi, Japanese photographer
- Takehiro Hayashi, Japanese footballer
- Takenori Hayashi, Japanese footballer
- Takuto Hayashi, Japanese footballer
- Teru Hayashi, Japanese-American biologist
- Tomomi Hayashi, Japanese-Estonian architect
- Tomoya Hayashi, Japanese footballer
- Toshiko Hayashi, Japanese communist politician
- Toshiyuki Hayashi, Japanese rugby union player
- Tsuruichi Hayashi, Japanese mathematician
- Tsuyoshi Hayashi, Japanese actor
- Hayashi Utako, Japanese educator and social worker
- Yasuo Hayashi, one of the perpetrators of the 1995 Sarin gas attack on the Tokyo subway
- Yasunori Hayashi, Japanese neuroscientist
- Hayashi Yasusada, Japanese samurai
- Yohei Hayashi, Japanese footballer
- Yoichi Hayashi, Japanese actor
- Yoko Hayashi, Japanese lawyer
- Yoshihide Hayashi, Japanese general
- Yoshiki Hayashi, better known as Yoshiki, Japanese musician, songwriter, composer and record producer
- Yoshimasa Hayashi, Japanese politician
- Yoshimi Hayashi, American lawyer
- Yoshiro Hayashi, Japanese golfer
- Yoshiro Hayashi, Japanese politician
- Yū Hayashi, Japanese voice actor and singer
- Yuki Hayashi, Japanese archer
- Yuki Hayashi, Japanese composer and arranger
- Yukina Hayashi, Japanese volleyball player
- Yumika Hayashi, Japanese AV idol and actress
- Yusuke Hayashi, Japanese footballer
- Hayashi Yūzō, Japanese politician