| Clarence Dow | |
| Position: | Outfielder |
| Bats: | Unknown |
| Throws: | Unknown |
| Birth Date: | October 2, 1854 |
| Birth Place: | Charlestown, Massachusetts |
| Death Place: | West Somerville, Massachusetts |
| Debutleague: | MLB |
| Debutdate: | September 22 |
| Debutyear: | 1884 |
| Debutteam: | Boston Reds |
| Finalleague: | MLB |
| Finaldate: | September 22 |
| Finalyear: | 1884 |
| Finalteam: | Boston Reds |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .333 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 0 |
| Teams: |
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Clarence G. Dow (October 2, 1854 – March 11, 1893) was a Major League Baseball outfielder. He played for the 1884 Boston Reds in the Union Association. Dow appeared in one game for the Reds and had two hits in six at-bats. Dow along with Elvio Jiménez and Tom Pratt, are the only players to have six at-bats in their only MLB game.