| Dan Cotter | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | April 14, 1867 |
| Birth Place: | Boston, Massachusetts, U.S. |
| Death Place: | Boston, Massachusetts, U.S. |
| Debutleague: | MLB |
| Debutdate: | July 16 |
| Debutyear: | 1890 |
| Debutteam: | Buffalo Bisons |
| Finalleague: | MLB |
| Finaldate: | July 16 |
| Finalyear: | 1890 |
| Finalteam: | Buffalo Bisons |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–1 |
| Stat2label: | Strikeouts |
| Stat2value: | 0 |
| Stat3label: | Earned run average |
| Stat3value: | 14.00 |
| Teams: | |
Daniel Joseph Cotter (April 14, 1867 - September 4, 1935) was an American Major League Baseball pitcher who played with the Buffalo Bisons of the Players' League in . Cotter played in one game for the Bisons on July 16, 1890. He pitched a complete game, but allowed 18 hits, 7 base on balls, and 14 earned runs. He also went hitless at the plate in four at bats. Buffalo lost the game 19–0.[1] Cotter later played for the Lewiston, Maine ballclub of the New England League in 1892.[2]