Waterloo High School

Waterloo High School may refer to:


 * Waterloo High School (Alabama), Waterloo, Alabama, US
 * Waterloo High School (Illinois), Waterloo, Illinois, US
 * Waterloo High School (New York), Waterloo, New York, US
 * Waterloo High School (Ohio), Atwater, Ohio, US
 * Waterloo High School (Wisconsin), Waterloo, Wisconsin, US
 * Waterloo East High School, Waterloo, Iowa, US
 * Waterloo West High School, Waterloo, Iowa, US