Kumagai
Kumagai, often Kumagae, is the surname of the following persons:
- Ichiya Kumagai (1890-1968), Japanese tennis player
- Kumagai Motoichi (* 1909), Japanese photographer and illustrator
- Kumagai Naozane (1141-1208), Japanese samurai
- Sadatoshi Kumagai ( born 1945 ), Japanese scholars and politicians
- Saki Kumagai (* 1990), Japanese football player
- Disambiguation