Russell E. Diethrick, Jr. Park is a stadium in Jamestown, New York. It opened in 1941 and holds 3,000 people. Primarily used for baseball, Diethrick Park was home to teams in the New York–Penn League, a short season minor league baseball league, from its opening until 2014. It is also home to the Jamestown Community College baseball team as well as Jamestown High School's baseball team. It also has hosted multiple Babe Ruth League World Series, most recently the 2023 13 Year-Old World Series.