| Erv Kantlehner | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 31 July 1892 |
| Birth Place: | San Jose, California, U.S. |
| Death Place: | Santa Barbara, California, U.S. |
| Debutleague: | MLB |
| Debutdate: | April 17 |
| Debutyear: | 1914 |
| Debutteam: | Pittsburgh Pirates |
| Finalleague: | MLB |
| Finaldate: | October 4 |
| Finalyear: | 1916 |
| Finalteam: | Philadelphia Phillies |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 13–29 |
| Stat2label: | Earned run average |
| Stat2value: | 2.84 |
| Stat3label: | Strikeouts |
| Stat3value: | 141 |
| Teams: | |
Erving Leslie Kantlehner (July 31, 1892 – February 3, 1990), nicknamed "Peanuts", was an American professional baseball player who played pitcher in the Major Leagues from 1914 to 1916. Kantlehner played for the Pittsburgh Pirates and Philadelphia Phillies. Kantlehner attended Santa Clara University.