| Will Foley | |
| Position: | Third baseman |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | November 15, 1855 |
| Birth Place: | Chicago |
| Death Place: | Chicago |
| Debutleague: | MLB |
| Debutdate: | August 23 |
| Debutyear: | 1875 |
| Debutteam: | Chicago White Stockings |
| Finalleague: | MLB |
| Finaldate: | May 22 |
| Finalyear: | 1884 |
| Finalteam: | Chicago Browns/Pittsburgh Stogies |
| Statleague: | MLB |
| Stat1label: | Batting average |
| Stat1value: | .228 |
| Stat2label: | Home runs |
| Stat2value: | 0 |
| Stat3label: | Runs scored |
| Stat3value: | 112 |
| Teams: |
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William Brown Foley (November 15, 1855 – November 12, 1916) was a Major League Baseball third baseman. He played all or part of seven seasons in the majors, playing for five different teams in three different leagues. His career began in the National Association in with the Chicago White Stockings, and ended in the Union Association in with the Chicago Browns/Pittsburgh Stogies. From until, he was the starting third baseman for the Cincinnati Reds and Milwaukee Grays.