Konno {written: 金野, 今野 or 紺野) is a Japanese surname and may refer to:
- Akira Konno (今野 章?) (born 1974), Japanese footballer
- Akitsugu Konno (金野 昭次?) (born 1944), Japanese ski jumper
- Asami Konno (紺野 あさ美?) (born 1987), Japanese idol and singer
- Azuma Konno ((今野 東?) (born 1947), Japanese politician
- Ford Konno (born 1933), American swimmer
- Hideki Konno (紺野 秀樹?) (born 1965), Japanese video game designer
- Hiromi Konno (今野 宏美?) (born 1975), Japanese voice actress
- Jun Konno (金野 潤?) (born 1967), Japanese judoka
- Jun Konno (voice actor) (金野 潤?) (born 1975), Japanese voice actor
- Mahiru Konno (紺野 まひる?) (born 1977), Japanese actress
- Mari Konno (born 1980), Japanese basketball player
- Misako Konno (紺野 美沙子?) (born 1960), Japanese actress and essayist
- Shiggy Konno (金野 滋?) (1922–2007), Japanese rugby union player
- Yasuyuki Konno (今野 泰幸?) (born 1983), Japanese footballer