| Bill DeKoning | |
| Position: | Catcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | December 19, 1918 |
| Birth Place: | Brooklyn, New York |
| Death Place: | Palm Harbor, Florida |
| Debutleague: | MLB |
| Debutdate: | May 27 |
| Debutteam: | New York Giants |
| Finalleague: | MLB |
| Finaldate: | June 8 |
| Finalteam: | New York Giants |
| Statleague: | MLB |
| Stat1label: | Games played |
| Stat1value: | 3 |
| Stat2label: | At bats |
| Stat2value: | 1 |
| Stat3label: | Hits |
| Stat3value: | 0 |
| Teams: | |
William Callahan DeKoning (December 19, 1918 – July 26, 1979) was a Major League Baseball catcher who played in three games for the New York Giants in .