| 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 a 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.