Komuro (written: 小室) is a Japanese surname. Notable people with the surname include:

• Daichi Komuro (born 1988), Japanese handball player
• Keiko Komuro (小室 桂子, born 1972), Japanese singer
• Koji Komuro (小室 宏二, born 1977), Japanese judoka
• Nozomi Komuro (小室, born 1985), Japanese skeleton racer
• Komuro Suiun (小室 翠雲, 1874–1945), Japanese painter
• Tetsuya Komuro (小室 哲哉, born 1958), Japanese musician
• Yuri Komuro (小室 友里, born 1976), Japanese AV idol, actress and writer

See also

• Komuro Station, a railway station in Funabashi, Chiba Prefecture, Japan
• Komuro Castle (小室城), formerly in Ōmi Province, present Nagahama, Shiga