| Benn Karr | |
| Position: | Pitcher |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 28 November 1893 |
| Birth Place: | Mount Pleasant, Mississippi |
| Death Place: | Memphis, Tennessee |
| Debutleague: | MLB |
| Debutdate: | April 20 |
| Debutyear: | 1920 |
| Debutteam: | Boston Red Sox |
| Finalleague: | MLB |
| Finaldate: | July 3 |
| Finalyear: | 1927 |
| Finalteam: | Cleveland Indians |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 35–48 |
| Stat2label: | Earned run average |
| Stat2value: | 4.60 |
| Stat3label: | Strikeouts |
| Stat3value: | 180 |
| Teams: |
|
Benjamin Joyce Karr (November 28, 1893 – December 8, 1968), known as Benn Karr and nicknamed Baldy Karr, was a Major League Baseball pitcher who played between 1920 and 1927 for the Boston Red Sox (1920–22) and Cleveland Indians (1925–27). Listed at, 175 lb., Karr batted left-handed and threw right-handed. He was born in Mount Pleasant, Mississippi.
In a six-season career, Karr posted a 35–48 record with 180 strikeouts and a 4.60 ERA in 177 appearances, including 58 starts, 29 complete games, one shutout, five saves, and 780⅓ innings of work. He also pitched in the minors for 15 years and served in the U.S. Army during World War I.
Karr died in Memphis, Tennessee at age 75.