| Sam Edmonston | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 30 August 1883 |
| Birth Place: | Washington, D.C., US |
| Death Place: | Corpus Christi, Texas, US |
| Debutleague: | MLB |
| Debutdate: | June 24 |
| Debutyear: | 1907 |
| Debutteam: | Washington Senators |
| Finalleague: | MLB |
| Finaldate: | June 24 |
| Finalyear: | 1907 |
| Finalteam: | Washington Senators |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 1 |
| Stat2label: | Innings pitched |
| Stat2value: | 3 |
| Stat3label: | Earned runs |
| Stat3value: | 3 |
| Teams: |
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Samuel Sherwood Edmonston (August 30, 1883 – April 12, 1979) was a pitcher in Major League Baseball, who played in one game for the Washington Senators in 1907. He also attended Georgetown University. At the time of his death, Edmonston was the oldest living former major league player.