Hosono (written: 細野) is a Japanese surname. Notable people with the surname include:
Fujihiko Hosono (細野 不二彦, born 1959), Japanese manga artist
Goshi Hosono (細野 豪志, born 1971), Japanese politician
Haruomi Hosono (細野 晴臣, born 1947), Japanese musician
Hideo Hosono (細野 秀雄, born 1953), Japanese scientist
Masabumi Hosono (細野 正文, 1870–1939), Japanese civil servant and RMS Titanic passenger
Masayo Hosono (細野 雅世, born 1978), Japanese voice actress
Yumiko Hosono (細野 佑美子, born 1981), Japanese voice actress, actress and singer