Seiichiro Kashio

Kashio Seiichiro (Japanese柏 尾 诚一郎; born January 2, 1892 in Osaka Prefecture, † September 6, 1962 ), in English often than Seiichiro Kashio, was a Japanese tennis player.

Kashio completed his studies at the Higher Commercial School Tokyo (now Hitotsubashi University) from. The Japanese took at the Summer Olympics in Antwerp in 1920 in the tennis doubles with his compatriot Kumagai Ichiya and won the silver medal. They lost in the final against the British Oswald Turnbull and Max Woosnam in four sets 2:6, 7:5, 5:7 and 5:7. In the individual competition Kashio Seiichiro difference in the second round against the South Africans George Dodd.