| Bill Keen | |
| Position: | First baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 16 August 1892 |
| Birth Place: | Oglethorpe, Georgia |
| Death Place: | South Point, Ohio |
| Debutleague: | MLB |
| Debutdate: | August 8 |
| Debutyear: | 1911 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | October 9 |
| Finalyear: | 1911 |
| Finalteam: | Pittsburgh Pirates |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 6 |
| Stat2label: | At bats |
| Stat2value: | 7 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: |
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William Brown Keen (August 16, 1892 – July 16, 1947), nicknamed "Hammerhead", was a first baseman in Major League Baseball. He played for the Pittsburgh Pirates in 1911.[1]