| Toshiaki Okamura | |
| Position: | Outfielder |
| Birth Date: | May 4, 1912 |
| Birth Place: | Karenkō Prefecture, Japanese Taiwan |
| Bats: | Left |
| Throws: | Left |
| Debutleague: | Japanese Baseball League |
| Debutyear: | 1939 |
| Debutteam: | Nankai Club |
| Teams: | As player
As coach
|
Toshiaki Okamura (岡村 俊昭; 4 May 1912 – 25 January 1996), also known as Yeh Tien-sung, was a Taiwanese baseball outfielder who played for the Nankai Hawks of the Japanese Baseball League (JBL) from 1939 to 1949.
Born in Karenkō Prefecture, Taiwan, Okamura was a member of the famed Noko baseball team made up of Taiwanese indigenous players.[1] In 1929, he moved to Kyoto and attended Heian Junior High School. During his time at Heian, he played in 9 Kōshien baseball tournaments, reaching the final in 1933.[2]
Okamura attended Nihon University.[2]
In 1939, Okamura joined Nankai Club. Having mainly played as catcher, he was assigned to play outfielder at Nankai.[2]