| Reiko Miyagi | |
| Birth Date: | 27 May 1922 |
| Birth Place: | Ōta, Tokyo |
| Death Place: | Setagaya, Tokyo |
| Australianopenresult: | 1R (1964) |
| Usopenresult: | 2R (1964) |
| Medaltemplates-Expand: | yes |
Reiko Miyagi (27 May 1922 – 1 June 2008) was a Japanese tennis player of the 1950s and 1960s. She was the elder sister of grand slam doubles champion Atsushi Miyagi.[1]
Miyagi was born in Ōta City, near the grounds of the Denen Coliseum where she trained.[2]
A four-time Asian Games gold medalist, Miyagi won a record 30 titles at the All Japan Championships across singles and doubles. Of those national titles she won 10 in singles, including eight in a row from 1956 to 1963.[3]
In 1964 she was a member of Japan's first ever Federation Cup team and made the singles second round of that year's U.S. National Championships, losing to Billie Jean Moffitt.[3]
Miyagi was the Japanese Federation Cup coach from 1978 to 1982.[4]