| Ad Yale | |
| Bats: | Right |
| Throws: | Unknown |
| Birth Date: | 17 April 1870 |
| Birth Place: | Bristol, Connecticut |
| Death Place: | Bridgeport, Connecticut |
| Debutleague: | MLB |
| Debutdate: | September 18 |
| Debutyear: | 1905 |
| Debutteam: | Brooklyn Superbas |
| Finalleague: | MLB |
| Finaldate: | September 20 |
| Finalyear: | 1905 |
| Finalteam: | Brooklyn Superbas |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .077 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs batted in |
| Stat3value: | 1 |
| Teams: |
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William M. "Ad" Yale (April 17, 1870 – April 27, 1948) was a professional baseball player. He appeared in four games in Major League Baseball for the 1905 Brooklyn Superbas as a first baseman.[1] He also had an extensive minor league baseball career, playing from 1897 until 1914 for a number of teams, primarily the Bridgeport Orators, for whom he played from 1898 to 1905.