| Ollie Hanson | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 19 January 1896 |
| Birth Place: | Holbrook, Massachusetts |
| Death Place: | Clifton, New Jersey |
| Debutleague: | MLB |
| Debutdate: | April 27 |
| Debutyear: | 1921 |
| Debutteam: | Chicago Cubs |
| Finalleague: | MLB |
| Finaldate: | May 5 |
| Finalyear: | 1921 |
| Finalteam: | Chicago Cubs |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0–2 |
| Stat2label: | Earned run average |
| Stat2value: | 7.00 |
| Stat3label: | Strikeouts |
| Stat3value: | 2 |
| Teams: | |
Earl Sylvester "Ollie" Hanson (January 19, 1896 – August 19, 1951) was an American Major League Baseball pitcher who played for the Chicago Cubs in .