The Great Lakes Loons are a Minor League Baseball team of the Midwest League and the High-A affiliate of the Los Angeles Dodgers. They are located in Midland, Michigan, and play their home games at Dow Diamond, which opened in April 2007.

High-A, officially Class High-A, formerly known as Class A-Advanced, and sometimes abbreviated "A+" in writing, is the third-highest level of play in Minor League Baseball in the United States and Canada, below Triple-A and Double-A, and above Single-A. There are 30 teams classified at the High-A level, one for each team in Major League Baseball (MLB), organized into three leagues: the Midwest League, Northwest League, and South Atlantic League.