| Billy Serad | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 1863 |
| Birth Place: | Philadelphia |
| Death Place: | Chester, Pennsylvania |
| Debutleague: | MLB |
| Debutdate: | May 5 |
| Debutyear: | 1884 |
| Debutteam: | Buffalo Bisons |
| Finalleague: | MLB |
| Finaldate: | July 7 |
| Finalyear: | 1888 |
| Finalteam: | Cincinnati Red Stockings |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 35-55 |
| Stat2label: | Earned run average |
| Stat2value: | 4.13 |
| Stat3label: | Strikeouts |
| Stat3value: | 278 |
| Teams: | |
William I. Serad (1863 – November 1, 1925), was a professional baseball player who played pitcher in the Major Leagues from -. Serad played for the Cincinnati Red Stockings and Buffalo Bisons.