Mankato East High School is a four-year public high school in Mankato, Minnesota, United States. The present school opened in 1973.
The Mankato East Cougars are part of the Big 9 Conference.
They have a big rivalry with Mankato West High School, one example of this is the Mankato Jug game, a football game played every year between Mankato East High School and Mankato West High School. As of the 2025-2026 school year, Mankato East currently holds the Jug.