| Bob Ingersoll | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | January 8, 1883 |
| Birth Place: | Rapid City, South Dakota |
| Death Place: | Minneapolis, Minnesota |
| Debutleague: | MLB |
| Debutdate: | April 23 |
| Debutyear: | 1914 |
| Debutteam: | Cincinnati Reds |
| Finalleague: | MLB |
| Finaldate: | June 2 |
| Finalyear: | 1914 |
| Finalteam: | Cincinnati Reds |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 0-0 |
| Stat2label: | Strikeouts |
| Stat2value: | 2 |
| Stat3label: | Earned run average |
| Stat3value: | 3.00 |
| Teams: |
|
Robert Randolph Ingersoll (January 8, 1883 – January 13, 1927) was a Major League Baseball pitcher for the Cincinnati Reds in 1914. He pitched in just four games that year, all in relief. In six innings of work he gave up five hits, five walks and two runs while striking out two batters.