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 6 ft 0 in (1.83 m), 175 lb., Karr batted left-handed and threw right-handed. He was born in Mount Pleasant, Mississippi. Karr died in Memphis, Tennessee at age 75.