| Takeo Daigo | |
| Position: | Catcher |
| Birth Date: | 15 November 1938 |
| Birth Place: | Kita, Tokyo, Japan |
| Death Place: | Tokyo, Japan |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | 31 March |
| Debutyear: | 1957 |
| Debutteam: | Mainichi Orions |
| Finaldate: | 16 October |
| Finalyear: | 1974 |
| Finalteam: | Lotte Orions |
| Statleague: | NPB |
| Stat1label: | Batting average |
| Stat1value: | .234 |
| Stat2label: | Home runs |
| Stat2value: | 81 |
| Stat3label: | Runs batted in |
| Stat3value: | 472 |
| Teams: | |
was a Japanese professional baseball catcher. He played in Nippon Professional Baseball for the Orions franchise.
Daigo was born in Kita, Tokyo, on 15 November 1938. As a high school baseball player, he participated in the Kōshien tournaments alongside batterymate Sadaharu Oh in 1956.[1] When Daigo made his Nippon Professional Baseball debut in 1957, his team was called the Mainichi Orions. Upon his retirement as a player in 1975, the team had become known as the Lotte Orions. Daigo was a career .234/.275/.324 hitter,[2] and not known for power.[3] After he retired as a player, Daigo became a coach for the Orions/Marines.[1] He died in Tokyo of acute myeloid leukemia on 11 December 2019, aged 81.[1]