Hosoya

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


 * Eiji Hosoya (細谷 英二), Japanese businessman
 * Haruna Hosoya (細谷 はるな), Japanese triathlete
 * Haruo Hosoya (細矢 治夫), Japanese chemist and professor
 * Hosoya index
 * Kei Hosoya (細谷 圭), Japanese baseball player
 * Mao Hosoya (細谷 真大), Japanese footballer
 * Susumi Hosoya (細谷 進), Japanese rower
 * Yoshimasa Hosoya (細谷 佳正), Japanese voice actor