Sunohara (written: 春原) is a Japanese surname. Notable people with the surname include:
, Japanese film director Vicky Sunohara (born 1970), Canadian ice hockey player
Fictional characters: , a character in the visual novel Clannad Ayaka (春原 彩花) and Nana Sunohara (春原 菜々), characters from the manga and anime series Miss Caretaker of Sunohara-sou