Hosoya
# Hosoya

Hosoya (written: 細谷 or 細矢) is a Japanese surname. Notable people with the surname include:

* Eiji Hosoya (細谷 英二, c. 1945 – 2012), Japanese businessman
* Haruna Hosoya (細谷 はるな, born 1973), Japanese triathlete
* Haruo Hosoya (細矢 治夫, born 1936), Japanese chemist and professor
   * Hosoya index
* Kei Hosoya (細谷 圭, born 1988), Japanese baseball player
* Mao Hosoya (細谷 真大, born 2001), Japanese footballer
* Susumi Hosoya (細谷 進, born 1942), Japanese rower
* Yoshimasa Hosoya (細谷 佳正, born 1982), Japanese voice actor
