| Johnny Markham | |
| Position: | Pitcher |
| Birth Date: | October 1, 1908 |
| Birth Place: | Shreveport, Louisiana |
| Death Place: | Marina del Rey, California |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | Negro league baseball |
| Debutyear: | 1930 |
| Debutteam: | Kansas City Monarchs |
| Finalyear: | 1946 |
| Finalteam: | Cincinnati Crescents |
| Teams: |
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John Matthew Markham (October 1, 1908 – March 10, 1975) was an American baseball pitcher in the Negro leagues. He played from 1930 to 1946 with several teams, including the Kansas City Monarchs and the Birmingham Black Barons.[1]
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